Thêm xóa sửa Unit trong Phần mềm quản lý kho WPF - MVVM

<Application x:Class="QuanLyKho.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:QuanLyKho"
             
             StartupUri="MainWindow.xaml">
    <Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Light.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.DeepPurple.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Lime.xaml" />
                <ResourceDictionary Source="/ResourceXAML/MainResource.xaml"></ResourceDictionary>
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Application.Resources>
</Application>
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using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;

namespace QuanLyKho
{
    /// <summary>
    /// Interaction logic for App.xaml
    /// </summary>
    public partial class App : Application
    {
    }
}
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<Window x:Class="QuanLyKho.CustomerWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:QuanLyKho"
        mc:Ignorable="d"
        
         xmlns:uc="clr-namespace:QuanLyKho.UserControlKteam"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        TextElement.Foreground="{DynamicResource MaterialDesignBody}"
     TextElement.FontWeight="Regular"
     TextElement.FontSize="13"
     TextOptions.TextFormattingMode="Ideal"
     TextOptions.TextRenderingMode="Auto"
     Background="{DynamicResource MaterialDesignPaper}"
     FontFamily="{DynamicResource MaterialDesignFont}"
        ResizeMode="NoResize"
        WindowStyle="None"
        WindowStartupLocation="CenterScreen"
        x:Name="window"
        
        Title="Khách hàng" Height="500" Width="700">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="auto"></RowDefinition>
            <RowDefinition></RowDefinition>
        </Grid.RowDefinitions>
        <Grid Grid.Row="0">
            <uc:ControlBarUC Tag="{Binding Title, ElementName=window}"></uc:ControlBarUC>
        </Grid>

        <Grid Grid.Row="1">
            <Grid.RowDefinitions>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition></RowDefinition>
            </Grid.RowDefinitions>

            <!--các element binding từ selected item-->
            <materialDesign:Card Grid.Row="0" Margin="5">
                <WrapPanel Margin="0 0 0 10">
                    <TextBox Text="{Binding DisplayName, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Tên khách hàng" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <TextBox Text="{Binding Address, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Địa chỉ" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <TextBox Text="{Binding Phone, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Điện thoại" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <TextBox Text="{Binding Email, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Email" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <TextBox Text="{Binding MoreInfo, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Thông tin thêm" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <DatePicker VerticalAlignment="Center" SelectedDate="{Binding ContractDate, UpdateSourceTrigger=PropertyChanged}" Width="100" Margin="5 5 15 -7" materialDesign:HintAssist.Hint="Ngày hợp tác" Style="{StaticResource MaterialDesignFloatingHintDatePicker}" />
                </WrapPanel>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="1" Margin="5">
                <WrapPanel>
                    <Button Command="{Binding AddCommand}" Content="Thêm" Margin="5" Width="100"></Button>
                    <Button Command="{Binding EditCommand}" Content="Sửa" Margin="5" Width="100"></Button>
                    <Button Command="{Binding DeleteCommand}" Content="Xóa" Margin="5" Width="100"></Button>
                </WrapPanel>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="2" Margin="5" VerticalAlignment="Stretch">
                <ScrollViewer VerticalScrollBarVisibility="Auto">
                    <ListView ItemsSource="{Binding List}" SelectedItem="{Binding SelectedItem, Mode=OneWayToSource}">
                        <ListView.View>
                            <GridView>
                                <GridViewColumn Header="Id" DisplayMemberBinding="{Binding Id}"></GridViewColumn>
                                <GridViewColumn Header="Tên khách hàng" DisplayMemberBinding="{Binding DisplayName}"></GridViewColumn>
                                <GridViewColumn Header="Địa chỉ" DisplayMemberBinding="{Binding Address}"></GridViewColumn>
                                <GridViewColumn Header="Điện thoại" DisplayMemberBinding="{Binding Phone}"></GridViewColumn>
                                <GridViewColumn Header="Email" DisplayMemberBinding="{Binding Email}"></GridViewColumn>
                                <GridViewColumn Header="Thông tin thêm" DisplayMemberBinding="{Binding MoreInfo}"></GridViewColumn>
                                <GridViewColumn Header="Ngày hợp tác" DisplayMemberBinding="{Binding ContractDate}"></GridViewColumn>

                            </GridView>
                        </ListView.View>
                    </ListView>
                </ScrollViewer>
            </materialDesign:Card>
        </Grid>
    </Grid>
</Window>
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace QuanLyKho
{
    /// <summary>
    /// Interaction logic for CustomerWindow.xaml
    /// </summary>
    public partial class CustomerWindow : Window
    {
        public CustomerWindow()
        {
            InitializeComponent();
        }
    }
}
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<Window x:Class="QuanLyKho.InputWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:QuanLyKho"
        mc:Ignorable="d"
        
         xmlns:uc="clr-namespace:QuanLyKho.UserControlKteam"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        TextElement.Foreground="{DynamicResource MaterialDesignBody}"
     TextElement.FontWeight="Regular"
     TextElement.FontSize="13"
     TextOptions.TextFormattingMode="Ideal"
     TextOptions.TextRenderingMode="Auto"
     Background="{DynamicResource MaterialDesignPaper}"
     FontFamily="{DynamicResource MaterialDesignFont}"
        ResizeMode="NoResize"
        WindowStyle="None"
        WindowStartupLocation="CenterScreen"
        x:Name="window"
        
        Title="Khách hàng" Height="500" Width="700">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="auto"></RowDefinition>
            <RowDefinition></RowDefinition>
        </Grid.RowDefinitions>
        <Grid Grid.Row="0">
            <uc:ControlBarUC Tag="{Binding Title, ElementName=window}"></uc:ControlBarUC>
        </Grid>

        <Grid Grid.Row="1">
            <Grid.RowDefinitions>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition></RowDefinition>
            </Grid.RowDefinitions>

            <!--các element binding từ selected item-->
            <materialDesign:Card Grid.Row="0" Margin="5">
                <WrapPanel Margin="0 0 0 10">
                    <TextBox Text="{Binding ObjectDisplayName, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Tên vật tư" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <DatePicker VerticalAlignment="Center" SelectedDate="{Binding DateInput}" Width="100" Margin="5 5 15 -7" materialDesign:HintAssist.Hint="Ngày nhập" Style="{StaticResource MaterialDesignFloatingHintDatePicker}" />
                    <TextBox Text="{Binding Count, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Số lượng" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <TextBox Text="{Binding PriceInput, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Giá nhập" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <TextBox Text="{Binding PriceOutput, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Giá xuất" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />

                    <TextBox Text="{Binding Status, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Trạng thái nhập" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                </WrapPanel>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="1" Margin="5">
                <WrapPanel>
                    <Button Command="{Binding AddCommand}" Content="Thêm" Margin="5" Width="100"></Button>
                    <Button Command="{Binding EditCommand}" Content="Sửa" Margin="5" Width="100"></Button>
                    <Button Command="{Binding DeleteCommand}" Content="Xóa" Margin="5" Width="100"></Button>
                </WrapPanel>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="2" Margin="5" VerticalAlignment="Stretch">
                <ScrollViewer VerticalScrollBarVisibility="Auto">
                    <ListView ItemsSource="{Binding List}" SelectedItem="{Binding SelectedItem, Mode=OneWayToSource}">
                        <ListView.View>
                            <GridView>
                                <GridViewColumn Header="Vật tư" DisplayMemberBinding="{Binding Object.DisplayName}"></GridViewColumn>
                                <GridViewColumn Header="Ngày nhập" DisplayMemberBinding="{Binding Input.DateInput}"></GridViewColumn>
                                <GridViewColumn Header="Số lượng" DisplayMemberBinding="{Binding Count}"></GridViewColumn>
                                <GridViewColumn Header="Giá nhập" DisplayMemberBinding="{Binding InputPrice}"></GridViewColumn>
                                <GridViewColumn Header="Giá xuất" DisplayMemberBinding="{Binding OutputPrice}"></GridViewColumn>
                                <GridViewColumn Header="Trạng thái nhập" DisplayMemberBinding="{Binding Status}"></GridViewColumn>                                
                            </GridView>
                        </ListView.View>
                    </ListView>
                </ScrollViewer>
            </materialDesign:Card>
        </Grid>
    </Grid>
</Window>
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace QuanLyKho
{
    /// <summary>
    /// Interaction logic for InputWindow.xaml
    /// </summary>
    public partial class InputWindow : Window
    {
        public InputWindow()
        {
            InitializeComponent();
        }
    }
}
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<Window x:Class="QuanLyKho.LoginWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:QuanLyKho"
        mc:Ignorable="d"
         xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
        
        xmlns:uc="clr-namespace:QuanLyKho.UserControlKteam"
         xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        TextElement.Foreground="{DynamicResource MaterialDesignBody}"
     TextElement.FontWeight="Regular"
     TextElement.FontSize="13"
     TextOptions.TextFormattingMode="Ideal"
     TextOptions.TextRenderingMode="Auto"
     Background="{DynamicResource MaterialDesignPaper}"
     FontFamily="{DynamicResource MaterialDesignFont}"
        ResizeMode="NoResize"
        WindowStyle="None"
        WindowStartupLocation="CenterScreen"
        
         DataContext="{StaticResource LoginVM}"
        Name="loginWindow"
        Title="Đăng nhập" Height="300" Width="400">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="auto"></RowDefinition>
            <RowDefinition></RowDefinition>
        </Grid.RowDefinitions>
        <Grid Grid.Row="0">
            <uc:ControlBarUC Tag="{Binding Title, ElementName=loginWindow}"></uc:ControlBarUC>
        </Grid>
        <materialDesign:Card Grid.Row="1" Width="330" Height="150" HorizontalAlignment="Center" VerticalAlignment="Center">
            <Grid>
                <Grid.Resources>
                    <Style TargetType="Grid">
                        <Setter Property="Margin" Value="15 0 15 0"></Setter>
                    </Style>
                </Grid.Resources>
                <Grid.RowDefinitions>
                    <RowDefinition></RowDefinition>
                    <RowDefinition></RowDefinition>
                    <RowDefinition></RowDefinition>
                </Grid.RowDefinitions>
                <Grid Grid.Row="0">
                    <TextBox materialDesign:HintAssist.Hint="Tên đăng nhập"
                             Text="{Binding UserName}"
                             Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                </Grid>
                <Grid Grid.Row="1">
                    <PasswordBox x:Name="FloatingPasswordBox"
                                 materialDesign:HintAssist.Hint="Mật khẩu"
                                 Style="{StaticResource MaterialDesignFloatingHintPasswordBox}" >
                        <i:Interaction.Triggers>
                            <i:EventTrigger EventName="PasswordChanged">
                                <i:InvokeCommandAction Command="{Binding PasswordChangedCommand}" 
                                   CommandParameter="{Binding ElementName=FloatingPasswordBox}"/>
                            </i:EventTrigger>
                        </i:Interaction.Triggers>
                    </PasswordBox>
                </Grid>
                <Grid Grid.Row="2">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition></ColumnDefinition>
                        <ColumnDefinition></ColumnDefinition>
                    </Grid.ColumnDefinitions>
                    
                    <Button Grid.Column="0"    
                            IsDefault="True"
                            Style="{StaticResource MaterialDesignRaisedButton}"    
                            Width="110"  
                            Command="{Binding LoginCommand}"
                            CommandParameter="{Binding ElementName=loginWindow}"
                            ToolTip="Resource name: MaterialDesignRaisedButton" Content="Đăng nhập"></Button>
                    <Button Grid.Column="1"    
                            Style="{StaticResource MaterialDesignRaisedButton}"    
                            Width="110"   
                            Command="{Binding CloseCommand}"                          
                            CommandParameter="{Binding ElementName=loginWindow}"
                            Background="OrangeRed"
                            ToolTip="Resource name: MaterialDesignRaisedButton" Content="Thoát"></Button>
                </Grid>
            </Grid>
        </materialDesign:Card>
    </Grid>
</Window>
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace QuanLyKho
{
    /// <summary>
    /// Interaction logic for LoginWindow.xaml
    /// </summary>
    public partial class LoginWindow : Window
    {
        public LoginWindow()
        {
            InitializeComponent();
        }
    }
}
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<Window x:Class="QuanLyKho.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:QuanLyKho"
        mc:Ignorable="d"
         xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
        
        xmlns:uc="clr-namespace:QuanLyKho.UserControlKteam"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        TextElement.Foreground="{DynamicResource MaterialDesignBody}"
     TextElement.FontWeight="Regular"
     TextElement.FontSize="13"
     TextOptions.TextFormattingMode="Ideal"
     TextOptions.TextRenderingMode="Auto"
     Background="{DynamicResource MaterialDesignPaper}"
     FontFamily="{DynamicResource MaterialDesignFont}"
        ResizeMode="NoResize"
        WindowStyle="None"
        WindowStartupLocation="CenterScreen"
        
        Name="mainWindow"
        DataContext="{StaticResource MainVM}"
        Title="Phần mềm quản lý kho" Height="700" Width="725">
    <i:Interaction.Triggers>
        <i:EventTrigger EventName="Loaded">
            <i:InvokeCommandAction Command="{Binding LoadedWindowCommand}" 
                                   CommandParameter="{Binding ElementName=mainWindow}"/>
        </i:EventTrigger>
    </i:Interaction.Triggers>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="auto"></RowDefinition>
            <RowDefinition></RowDefinition>
        </Grid.RowDefinitions>
        <Grid Grid.Row="0">
            <uc:ControlBarUC Tag="{Binding Title, ElementName=mainWindow}"></uc:ControlBarUC>
        </Grid>

        <Grid Grid.Row="1">
            <Grid.RowDefinitions>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition></RowDefinition>
            </Grid.RowDefinitions>

            <!--menu-->
            <Grid Grid.Row="0">
                <Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch"  Background="Transparent">
                    <Grid.Resources>
                        <Style TargetType="Button">
                            <Setter Property="Margin" Value="2 4 2 4"></Setter>
                            <Setter Property="Background" Value="LightCyan"></Setter>
                        </Style>
                    </Grid.Resources>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition></ColumnDefinition>
                        <ColumnDefinition></ColumnDefinition>
                        <ColumnDefinition></ColumnDefinition>
                        <ColumnDefinition></ColumnDefinition>
                        <ColumnDefinition></ColumnDefinition>
                        <ColumnDefinition></ColumnDefinition>
                        <ColumnDefinition></ColumnDefinition>
                    </Grid.ColumnDefinitions>
                    <Button Command="{Binding InputCommand}" Grid.Column="0" ToolTip="Nhập kho">
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition></RowDefinition>
                                <RowDefinition></RowDefinition>
                            </Grid.RowDefinitions>
                            <Grid Grid.Row="0">
                                <TextBlock Text="Nhập kho" HorizontalAlignment="Center"></TextBlock>
                            </Grid>
                            <Grid Grid.Row="1">
                                <materialDesign:PackIcon HorizontalAlignment="Center" Width="24" Height="24"  Kind="ArrowDownBoldCircleOutline" />
                            </Grid>
                        </Grid>
                    </Button>
                    <Button Command="{Binding OutputCommand}" Grid.Column="1" ToolTip="Xuất kho">
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition></RowDefinition>
                                <RowDefinition></RowDefinition>
                            </Grid.RowDefinitions>
                            <Grid Grid.Row="0">
                                <TextBlock Text="Xuất kho" HorizontalAlignment="Center"></TextBlock>
                            </Grid>
                            <Grid Grid.Row="1">
                                <materialDesign:PackIcon Width="24" Height="24"  HorizontalAlignment="Center"  Kind="ArrowUpBoldCircleOutline" />
                            </Grid>
                        </Grid>
                    </Button>
                    <Button Command="{Binding ObjectCommand}" Grid.Column="2" ToolTip="Vật tư">
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition></RowDefinition>
                                <RowDefinition></RowDefinition>
                            </Grid.RowDefinitions>
                            <Grid Grid.Row="0">
                                <TextBlock Text="Vật tư" HorizontalAlignment="Center"></TextBlock>
                            </Grid>
                            <Grid Grid.Row="1">
                                <materialDesign:PackIcon Width="24" Height="24"  HorizontalAlignment="Center"  Kind="Dns" />
                            </Grid>
                        </Grid>
                    </Button>
                    <Button Grid.Column="3" Command="{Binding UnitCommand}" ToolTip="Đơn vị đo">
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition></RowDefinition>
                                <RowDefinition></RowDefinition>
                            </Grid.RowDefinitions>
                            <Grid Grid.Row="0">
                                <TextBlock Text="Đơn vị đo" HorizontalAlignment="Center"></TextBlock>
                            </Grid>
                            <Grid Grid.Row="1">
                                <materialDesign:PackIcon Width="24" Height="24"  HorizontalAlignment="Center"  Kind="Altimeter" />
                            </Grid>
                        </Grid>
                    </Button>
                    <Button Grid.Column="4" Command="{Binding SuplierCommand}" ToolTip="Nhà cung cấp">
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition></RowDefinition>
                                <RowDefinition></RowDefinition>
                            </Grid.RowDefinitions>
                            <Grid Grid.Row="0">
                                <TextBlock Text="Nhà cung cấp" HorizontalAlignment="Center"></TextBlock>
                            </Grid>
                            <Grid Grid.Row="1">
                                <materialDesign:PackIcon Width="24" Height="24"  HorizontalAlignment="Center"  Kind="Factory" />
                            </Grid>
                        </Grid>
                    </Button>
                    <Button Grid.Column="5" Command="{Binding CustomerCommand}" ToolTip="Khách hàng">
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition></RowDefinition>
                                <RowDefinition></RowDefinition>
                            </Grid.RowDefinitions>
                            <Grid Grid.Row="0">
                                <TextBlock Text="Khách hàng" HorizontalAlignment="Center"></TextBlock>
                            </Grid>
                            <Grid Grid.Row="1">
                                <materialDesign:PackIcon Width="24" Height="24"  HorizontalAlignment="Center"  Kind="HumanHandsup" />
                            </Grid>
                        </Grid>
                    </Button>
                    <Button Grid.Column="6" Command="{Binding UserCommand}" ToolTip="Người dùng">
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition></RowDefinition>
                                <RowDefinition></RowDefinition>
                            </Grid.RowDefinitions>
                            <Grid Grid.Row="0">
                                <TextBlock Text="Người dùng" HorizontalAlignment="Center"></TextBlock>
                            </Grid>
                            <Grid Grid.Row="1">
                                <materialDesign:PackIcon Width="24" Height="24"  HorizontalAlignment="Center"  Kind="AccountMultiple" />
                            </Grid>
                        </Grid>
                    </Button>
                </Grid>
            </Grid>

            <!--main-->
            <Grid Grid.Row="1">
                <Grid.RowDefinitions>
                    <RowDefinition Height="auto"></RowDefinition>
                    <RowDefinition></RowDefinition>
                </Grid.RowDefinitions>

                <!--Filter-->
                <Grid Grid.Row="0">
                    <materialDesign:Card Margin="5">
                        <Grid Grid.Row="0">
                            <Grid.RowDefinitions>
                                <RowDefinition Height="auto"></RowDefinition>
                                <RowDefinition Height="auto"></RowDefinition>
                                <RowDefinition></RowDefinition>
                            </Grid.RowDefinitions>
                            <Grid Grid.Row="0" Margin="5">
                                <Grid.ColumnDefinitions>
                                    <ColumnDefinition Width="auto"></ColumnDefinition>
                                    <ColumnDefinition Width="auto"></ColumnDefinition>
                                    <ColumnDefinition Width="auto"></ColumnDefinition>
                                </Grid.ColumnDefinitions>

                                <Grid Grid.Column="0">
                                    <DatePicker VerticalAlignment="Center" HorizontalAlignment="Left" Width="100" materialDesign:HintAssist.Hint="Ngày bắt đầu" Style="{StaticResource MaterialDesignFloatingHintDatePicker}" />
                                </Grid>
                                <Grid Grid.Column="1">
                                    <DatePicker VerticalAlignment="Center" HorizontalAlignment="Left" Width="100" materialDesign:HintAssist.Hint="Ngày kết thúc" Style="{StaticResource MaterialDesignFloatingHintDatePicker}" />
                                </Grid>
                                <Grid Grid.Column="2">
                                    <Button Style="{StaticResource MaterialDesignRaisedButton}" Margin="5"
                                            Width="100"
                                            Content="Lọc"
                                            ToolTip="Resource name: MaterialDesignRaisedButton"></Button>
                                </Grid>
                            </Grid>
                            <Grid Grid.Row="1">
                                <Separator Margin="5"></Separator>
                            </Grid>
                            <Grid Grid.Row="2">
                                <Grid.ColumnDefinitions>
                                    <ColumnDefinition Width="auto"></ColumnDefinition>
                                    <ColumnDefinition Width="auto"></ColumnDefinition>
                                    <ColumnDefinition Width="auto"></ColumnDefinition>
                                </Grid.ColumnDefinitions>

                                <Grid Grid.Column="0">
                                    <materialDesign:Card Background="#03a9f4"  Margin="5"
                                                         Foreground="{DynamicResource PrimaryHueDarkForegroundBrush}"  
                                                         Padding="0" Width="200">
                                        <Grid>
                                            <Grid.RowDefinitions>
                                                <RowDefinition Height="Auto" />
                                                <RowDefinition Height="Auto" />
                                                <RowDefinition Height="Auto" />
                                            </Grid.RowDefinitions>
                                            <TextBlock Grid.Row="0" Margin="16 16 16 4"     
                                                       Text="Lượng nhập"
                                                       Style="{StaticResource MaterialDesignHeadlineTextBlock}">
  
                                            </TextBlock>
                                            <Separator Grid.Row="1" Style="{StaticResource MaterialDesignLightSeparator}" />
                                            <TextBlock Grid.Row="2" Margin="16 0 16 8" VerticalAlignment="Center" 
                                                       HorizontalAlignment="Left"      
                                                       Text="998568"
                                                       Style="{StaticResource MaterialDesignDisplay1TextBlock}">
                                            </TextBlock>                                           
                                                <materialDesign:PopupBox HorizontalAlignment="Right" Padding="2 0 2 0">
                                                    <StackPanel>       
                                                        <!--đưa gì vào thì đưa-->
                                                    </StackPanel>
                                                </materialDesign:PopupBox>
                                        </Grid>
                                    </materialDesign:Card>                                    
                                </Grid>

                                <Grid Grid.Column="1">                                    
                                    <materialDesign:Card Background="#03a9f4" Margin="5"
                                                         Foreground="{DynamicResource PrimaryHueDarkForegroundBrush}"  
                                                         Padding="0" Width="200">
                                        <Grid>
                                            <Grid.RowDefinitions>
                                                <RowDefinition Height="Auto" />
                                                <RowDefinition Height="Auto" />
                                                <RowDefinition Height="Auto" />
                                            </Grid.RowDefinitions>
                                            <TextBlock Grid.Row="0" Margin="16 16 16 4"     
                                                       Text="Lượng xuất"
                                                       Style="{StaticResource MaterialDesignHeadlineTextBlock}">

                                            </TextBlock>
                                            <Separator Grid.Row="1" Style="{StaticResource MaterialDesignLightSeparator}" />
                                            <TextBlock Grid.Row="2" Margin="16 0 16 8" VerticalAlignment="Center" 
                                                       HorizontalAlignment="Left"      
                                                       Text="998568"
                                                       Style="{StaticResource MaterialDesignDisplay1TextBlock}">
                                            </TextBlock>
                                            <materialDesign:PopupBox HorizontalAlignment="Right" Padding="2 0 2 0">
                                                <StackPanel>
                                                    <!--đưa gì vào thì đưa-->
                                                </StackPanel>
                                            </materialDesign:PopupBox>
                                        </Grid>
                                    </materialDesign:Card>
                                </Grid>

                                <Grid Grid.Column="2">
                                    <materialDesign:Card Background="#03a9f4"  Margin="5"
                                                         Foreground="{DynamicResource PrimaryHueDarkForegroundBrush}"  
                                                         Padding="0" Width="200">
                                        <Grid>
                                            <Grid.RowDefinitions>
                                                <RowDefinition Height="Auto" />
                                                <RowDefinition Height="Auto" />
                                                <RowDefinition Height="Auto" />
                                            </Grid.RowDefinitions>
                                            <TextBlock Grid.Row="0" Margin="16 16 16 4"     
                                                       Text="Tồn kho"
                                                       Style="{StaticResource MaterialDesignHeadlineTextBlock}">

                                            </TextBlock>
                                            <Separator Grid.Row="1" Style="{StaticResource MaterialDesignLightSeparator}" />
                                            <TextBlock Grid.Row="2" Margin="16 0 16 8" VerticalAlignment="Center" 
                                                       HorizontalAlignment="Left"      
                                                       Text="998568"
                                                       Style="{StaticResource MaterialDesignDisplay1TextBlock}">
                                            </TextBlock>
                                            <materialDesign:PopupBox HorizontalAlignment="Right" Padding="2 0 2 0">
                                                <StackPanel>
                                                    <!--đưa gì vào thì đưa-->
                                                </StackPanel>
                                            </materialDesign:PopupBox>
                                        </Grid>
                                    </materialDesign:Card>
                                </Grid>
                            </Grid>
                        </Grid>
                    </materialDesign:Card>
                </Grid>
               
                <!--list-->
                <materialDesign:Card Grid.Row="1" Margin="5" VerticalAlignment="Stretch">
                    <Grid >
                        <Grid.RowDefinitions>
                            <RowDefinition Height="auto"></RowDefinition>
                            <RowDefinition Height="auto"></RowDefinition>
                            <RowDefinition></RowDefinition>
                        </Grid.RowDefinitions>

                        <Grid Grid.Row="0" Margin="5">
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="auto"></ColumnDefinition>
                                <ColumnDefinition Width="auto"></ColumnDefinition>
                                <ColumnDefinition Width="auto"></ColumnDefinition>
                            </Grid.ColumnDefinitions>

                            <Grid Grid.Column="0">
                                <DatePicker VerticalAlignment="Center" HorizontalAlignment="Left" Width="100" materialDesign:HintAssist.Hint="Ngày bắt đầu" Style="{StaticResource MaterialDesignFloatingHintDatePicker}" />
                            </Grid>
                            <Grid Grid.Column="1">
                                <DatePicker VerticalAlignment="Center" HorizontalAlignment="Left" Width="100" materialDesign:HintAssist.Hint="Ngày kết thúc" Style="{StaticResource MaterialDesignFloatingHintDatePicker}" />
                            </Grid>
                            <Grid Grid.Column="2">
                                <Button Style="{StaticResource MaterialDesignRaisedButton}" Margin="5"
                                            Width="100"
                                            Content="Lọc"
                                            ToolTip="Resource name: MaterialDesignRaisedButton"></Button>
                            </Grid>
                        </Grid>

                        <Grid Grid.Row="1">
                            <Separator></Separator>
                        </Grid>
                        <Grid Grid.Row="2">
                            <ListView ItemsSource="{Binding TonKhoList}">
                                <ListView.View>
                                    <GridView>
                                        <GridViewColumn Header="STT" DisplayMemberBinding="{Binding STT}"></GridViewColumn>
                                        <GridViewColumn Header="Tên vật tư" DisplayMemberBinding="{Binding Object.DisplayName}"></GridViewColumn>
                                        <GridViewColumn Header="Số lượng tồn" DisplayMemberBinding="{Binding Count}"></GridViewColumn>
                                    </GridView>
                                </ListView.View>
                            </ListView>
                        </Grid>
                    </Grid>
                </materialDesign:Card>
                
            </Grid>
        </Grid>
    </Grid>
</Window>
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace QuanLyKho
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        //http://materialdesigninxaml.net/home
        public MainWindow()
        {
            InitializeComponent();
        }
    }
}
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<Window x:Class="QuanLyKho.ObjectWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:QuanLyKho"
        mc:Ignorable="d"
        
         xmlns:uc="clr-namespace:QuanLyKho.UserControlKteam"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        TextElement.Foreground="{DynamicResource MaterialDesignBody}"
     TextElement.FontWeight="Regular"
     TextElement.FontSize="13"
     TextOptions.TextFormattingMode="Ideal"
     TextOptions.TextRenderingMode="Auto"
     Background="{DynamicResource MaterialDesignPaper}"
     FontFamily="{DynamicResource MaterialDesignFont}"
        ResizeMode="NoResize"
        WindowStyle="None"
        WindowStartupLocation="CenterScreen"
        x:Name="window"
        
        Title="Khách hàng" Height="500" Width="700">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="auto"></RowDefinition>
            <RowDefinition></RowDefinition>
        </Grid.RowDefinitions>
        <Grid Grid.Row="0">
            <uc:ControlBarUC Tag="{Binding Title, ElementName=window}"></uc:ControlBarUC>
        </Grid>

        <Grid Grid.Row="1">
            <Grid.RowDefinitions>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition></RowDefinition>
            </Grid.RowDefinitions>

            <!--các element binding từ selected item-->
            <materialDesign:Card Grid.Row="0" Margin="5">
                <WrapPanel Margin="0 0 0 10">
                    <TextBox Text="{Binding DisplayName, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Tên vật tư" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <ComboBox Margin="5 5 15 5" ItemsSource="{Binding Unit}" SelectedItem="{Binding SelectedUnit, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" materialDesign:HintAssist.Hint="Đơn vị đo" IsEditable="True" Style="{StaticResource MaterialDesignFloatingHintComboBox}"></ComboBox>
                    <ComboBox Margin="5 5 15 5" ItemsSource="{Binding Suplier}" SelectedItem="{Binding SelectedSuplier, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" materialDesign:HintAssist.Hint="Nhà cung cấp" IsEditable="True" Style="{StaticResource MaterialDesignFloatingHintComboBox}"></ComboBox>
                    <TextBox Text="{Binding QRCode, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="QR code" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <TextBox Text="{Binding BarCode, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Bar code" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                </WrapPanel>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="1" Margin="5">
                <WrapPanel>
                    <Button Command="{Binding AddCommand}" Content="Thêm" Margin="5" Width="100"></Button>
                    <Button Command="{Binding EditCommand}" Content="Sửa" Margin="5" Width="100"></Button>
                    <Button Command="{Binding DeleteCommand}" Content="Xóa" Margin="5" Width="100"></Button>
                </WrapPanel>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="2" Margin="5" VerticalAlignment="Stretch">
                <ScrollViewer VerticalScrollBarVisibility="Auto">
                    <ListView ItemsSource="{Binding List}" SelectedItem="{Binding SelectedItem, Mode=OneWayToSource}">
                        <ListView.View>
                            <GridView>
                                <GridViewColumn Header="Id" DisplayMemberBinding="{Binding Id}"></GridViewColumn>
                                <GridViewColumn Header="Tên vật tư" DisplayMemberBinding="{Binding DisplayName}"></GridViewColumn>
                                <GridViewColumn Header="Đơn vị đo" DisplayMemberBinding="{Binding Unit.DisplayName}"></GridViewColumn>
                                <GridViewColumn Header="Nhà cung cấp" DisplayMemberBinding="{Binding Suplier.DisplayName}"></GridViewColumn>
                                <GridViewColumn Header="QRCode" DisplayMemberBinding="{Binding QRCode}"></GridViewColumn>
                                <GridViewColumn Header="BarCode" DisplayMemberBinding="{Binding BarCode}"></GridViewColumn>                            
                            </GridView>
                        </ListView.View>
                    </ListView>
                </ScrollViewer>
            </materialDesign:Card>
        </Grid>
    </Grid>
</Window>
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace QuanLyKho
{
    /// <summary>
    /// Interaction logic for ObjectWindow.xaml
    /// </summary>
    public partial class ObjectWindow : Window
    {
        public ObjectWindow()
        {
            InitializeComponent();
        }
    }
}
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<Window x:Class="QuanLyKho.OutputWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:QuanLyKho"
        mc:Ignorable="d"
        
         xmlns:uc="clr-namespace:QuanLyKho.UserControlKteam"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        TextElement.Foreground="{DynamicResource MaterialDesignBody}"
     TextElement.FontWeight="Regular"
     TextElement.FontSize="13"
     TextOptions.TextFormattingMode="Ideal"
     TextOptions.TextRenderingMode="Auto"
     Background="{DynamicResource MaterialDesignPaper}"
     FontFamily="{DynamicResource MaterialDesignFont}"
        ResizeMode="NoResize"
        WindowStyle="None"
        WindowStartupLocation="CenterScreen"
        x:Name="window"
        
        Title="Khách hàng" Height="500" Width="700">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="auto"></RowDefinition>
            <RowDefinition></RowDefinition>
        </Grid.RowDefinitions>
        <Grid Grid.Row="0">
            <uc:ControlBarUC Tag="{Binding Title, ElementName=window}"></uc:ControlBarUC>
        </Grid>

        <Grid Grid.Row="1">
            <Grid.RowDefinitions>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition></RowDefinition>
            </Grid.RowDefinitions>

            <!--các element binding từ selected item-->
            <materialDesign:Card Grid.Row="0" Margin="5">
                <WrapPanel Margin="0 0 0 10">
                    <TextBox Text="{Binding ObjectDisplayName, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Tên vật tư" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <DatePicker VerticalAlignment="Center" SelectedDate="{Binding DateOnput}" Width="100" Margin="5 5 15 -7" materialDesign:HintAssist.Hint="Ngày xuất" Style="{StaticResource MaterialDesignFloatingHintDatePicker}" />
                    <TextBox Text="{Binding Count, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Số lượng" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <TextBox Text="{Binding PriceOutput, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Giá xuất" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <ComboBox Margin="5 5 15 5" ItemsSource="{Binding Customer}" SelectedItem="{Binding SelectedCustomer, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" materialDesign:HintAssist.Hint="Khách hàng" IsEditable="True" Style="{StaticResource MaterialDesignFloatingHintComboBox}"></ComboBox>

                    <TextBox Text="{Binding Status, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Trạng thái xuất" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                </WrapPanel>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="1" Margin="5">
                <WrapPanel>
                    <Button Command="{Binding AddCommand}" Content="Thêm" Margin="5" Width="100"></Button>
                    <Button Command="{Binding EditCommand}" Content="Sửa" Margin="5" Width="100"></Button>
                    <Button Command="{Binding DeleteCommand}" Content="Xóa" Margin="5" Width="100"></Button>
                </WrapPanel>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="2" Margin="5" VerticalAlignment="Stretch">
                <ScrollViewer VerticalScrollBarVisibility="Auto">
                    <ListView ItemsSource="{Binding List}" SelectedItem="{Binding SelectedItem, Mode=OneWayToSource}">
                        <ListView.View>
                            <GridView>
                                <GridViewColumn Header="Vật tư" DisplayMemberBinding="{Binding Object.DisplayName}"></GridViewColumn>
                                <GridViewColumn Header="Ngày xuất" DisplayMemberBinding="{Binding Output.DateOnput}"></GridViewColumn>
                                <GridViewColumn Header="Số lượng" DisplayMemberBinding="{Binding Count}"></GridViewColumn>
                                <GridViewColumn Header="Giá xuất" DisplayMemberBinding="{Binding InputInfo.OutputPrice}"></GridViewColumn>
                                <GridViewColumn Header="Khách hàng" DisplayMemberBinding="{Binding Customer.DisplayName}"></GridViewColumn>
                                <GridViewColumn Header="Trạng thái xuất" DisplayMemberBinding="{Binding Status}"></GridViewColumn>                                
                            </GridView>
                        </ListView.View>
                    </ListView>
                </ScrollViewer>
            </materialDesign:Card>
        </Grid>
    </Grid>
</Window>
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace QuanLyKho
{
    /// <summary>
    /// Interaction logic for OutputWindow.xaml
    /// </summary>
    public partial class OutputWindow : Window
    {
        public OutputWindow()
        {
            InitializeComponent();
        }
    }
}
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<Window x:Class="QuanLyKho.SuplierWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:QuanLyKho"
        mc:Ignorable="d"
        
         xmlns:uc="clr-namespace:QuanLyKho.UserControlKteam"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        TextElement.Foreground="{DynamicResource MaterialDesignBody}"
     TextElement.FontWeight="Regular"
     TextElement.FontSize="13"
     TextOptions.TextFormattingMode="Ideal"
     TextOptions.TextRenderingMode="Auto"
     Background="{DynamicResource MaterialDesignPaper}"
     FontFamily="{DynamicResource MaterialDesignFont}"
        ResizeMode="NoResize"
        WindowStyle="None"
        WindowStartupLocation="CenterScreen"
        x:Name="window"
        
        Title="Nhà cung cấp" Height="500" Width="700">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="auto"></RowDefinition>
            <RowDefinition></RowDefinition>
        </Grid.RowDefinitions>
        <Grid Grid.Row="0">
            <uc:ControlBarUC Tag="{Binding Title, ElementName=window}"></uc:ControlBarUC>
        </Grid>

        <Grid Grid.Row="1">
            <Grid.RowDefinitions>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition></RowDefinition>
            </Grid.RowDefinitions>

            <!--các element binding từ selected item-->
            <materialDesign:Card Grid.Row="0" Margin="5">
                <WrapPanel Margin="0 0 0 10">
                    <TextBox Text="{Binding DisplayName}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Tên nhà cung cấp" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <TextBox Text="{Binding Address}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Địa chỉ" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <TextBox Text="{Binding Phone}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Điện thoại" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <TextBox Text="{Binding Email}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Email" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <TextBox Text="{Binding MoreInfo}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Thông tin thêm" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <DatePicker VerticalAlignment="Center" SelectedDate="{Binding ContractDate}" Width="100" Margin="5 5 15 -7" materialDesign:HintAssist.Hint="Ngày hợp tác" Style="{StaticResource MaterialDesignFloatingHintDatePicker}" />
                </WrapPanel>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="1" Margin="5">
                <WrapPanel>
                    <Button Command="{Binding AddCommand}" Content="Thêm" Margin="5" Width="100"></Button>
                    <Button Command="{Binding EditCommand}" Content="Sửa" Margin="5" Width="100"></Button>
                    <Button Command="{Binding DeleteCommand}" Content="Xóa" Margin="5" Width="100"></Button>
                </WrapPanel>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="2" Margin="5" VerticalAlignment="Stretch">
                <ScrollViewer VerticalScrollBarVisibility="Auto">
                    <ListView ItemsSource="{Binding List}" SelectedItem="{Binding SelectedItem, Mode=OneWayToSource}">
                        <ListView.View>
                            <GridView>
                                <GridViewColumn Header="Id" DisplayMemberBinding="{Binding Id}"></GridViewColumn>
                                <GridViewColumn Header="Tên nhà cung cấp" DisplayMemberBinding="{Binding DisplayName}"></GridViewColumn>
                                <GridViewColumn Header="Địa chỉ" DisplayMemberBinding="{Binding Address}"></GridViewColumn>
                                <GridViewColumn Header="Điện thoại" DisplayMemberBinding="{Binding Phone}"></GridViewColumn>
                                <GridViewColumn Header="Email" DisplayMemberBinding="{Binding Email}"></GridViewColumn>
                                <GridViewColumn Header="Thông tin thêm" DisplayMemberBinding="{Binding MoreInfo}"></GridViewColumn>
                                <GridViewColumn Header="Ngày hợp tác" DisplayMemberBinding="{Binding ContractDate}"></GridViewColumn>

                            </GridView>
                        </ListView.View>
                    </ListView>
                </ScrollViewer>
            </materialDesign:Card>
        </Grid>
    </Grid>
</Window>
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace QuanLyKho
{
    /// <summary>
    /// Interaction logic for SuplierWindow.xaml
    /// </summary>
    public partial class SuplierWindow : Window
    {
        public SuplierWindow()
        {
            InitializeComponent();
        }
    }
}
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<Window x:Class="QuanLyKho.UnitWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:QuanLyKho"
        mc:Ignorable="d"
        
         xmlns:uc="clr-namespace:QuanLyKho.UserControlKteam"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        TextElement.Foreground="{DynamicResource MaterialDesignBody}"
     TextElement.FontWeight="Regular"
     TextElement.FontSize="13"
     TextOptions.TextFormattingMode="Ideal"
     TextOptions.TextRenderingMode="Auto"
     Background="{DynamicResource MaterialDesignPaper}"
     FontFamily="{DynamicResource MaterialDesignFont}"
        ResizeMode="NoResize"
        WindowStyle="None"
        WindowStartupLocation="CenterScreen"
        x:Name="window"
         DataContext="{StaticResource UnitVM}"
        Title="Đơn vị đo" Height="500" Width="400">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="auto"></RowDefinition>
            <RowDefinition></RowDefinition>
        </Grid.RowDefinitions>
        <Grid Grid.Row="0">
            <uc:ControlBarUC Tag="{Binding Title, ElementName=window}"></uc:ControlBarUC>
        </Grid>

        <Grid Grid.Row="1">
            <Grid.RowDefinitions>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition></RowDefinition>
            </Grid.RowDefinitions>

            <!--các element binding từ selected item-->
            <materialDesign:Card Grid.Row="0" Margin="5">
                <Grid>
                    <TextBox Text="{Binding DisplayName, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" Margin="5" materialDesign:HintAssist.Hint="Tên đơn vị đo" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                </Grid>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="1" Margin="5">
                <WrapPanel>
                    <Button Command="{Binding AddCommand}" Content="Thêm" Margin="5" Width="100"></Button>
                    <Button Command="{Binding EditCommand}" Content="Sửa" Margin="5" Width="100"></Button>
                    <Button Command="{Binding DeleteCommand}" Content="Xóa" Margin="5" Width="100"></Button>
                </WrapPanel>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="2" Margin="5" VerticalAlignment="Stretch">
                <ScrollViewer VerticalScrollBarVisibility="Auto">
                    <ListView ItemsSource="{Binding List, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" SelectedItem="{Binding SelectedItem, Mode=TwoWay}">
                        <ListView.View>
                            <GridView>
                                <GridViewColumn Header="Id" DisplayMemberBinding="{Binding Id}"></GridViewColumn>
                                <GridViewColumn Header="Tên đơn vị đo" DisplayMemberBinding="{Binding DisplayName}"></GridViewColumn>
                            </GridView>
                        </ListView.View>
                    </ListView>
                </ScrollViewer>               
            </materialDesign:Card>
        </Grid>
    </Grid>
</Window>
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace QuanLyKho
{
    /// <summary>
    /// Interaction logic for UnitWindow.xaml
    /// </summary>
    public partial class UnitWindow : Window
    {
        public UnitWindow()
        {
            InitializeComponent();
        }
    }
}
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<Window x:Class="QuanLyKho.UserWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:QuanLyKho"
        mc:Ignorable="d"
        
         xmlns:uc="clr-namespace:QuanLyKho.UserControlKteam"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        TextElement.Foreground="{DynamicResource MaterialDesignBody}"
     TextElement.FontWeight="Regular"
     TextElement.FontSize="13"
     TextOptions.TextFormattingMode="Ideal"
     TextOptions.TextRenderingMode="Auto"
     Background="{DynamicResource MaterialDesignPaper}"
     FontFamily="{DynamicResource MaterialDesignFont}"
        ResizeMode="NoResize"
        WindowStyle="None"
        WindowStartupLocation="CenterScreen"
        x:Name="window"
        
        Title="Khách hàng" Height="500" Width="700">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="auto"></RowDefinition>
            <RowDefinition></RowDefinition>
        </Grid.RowDefinitions>
        <Grid Grid.Row="0">
            <uc:ControlBarUC Tag="{Binding Title, ElementName=window}"></uc:ControlBarUC>
        </Grid>

        <Grid Grid.Row="1">
            <Grid.RowDefinitions>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition></RowDefinition>
            </Grid.RowDefinitions>

            <!--các element binding từ selected item-->
            <materialDesign:Card Grid.Row="0" Margin="5">
                <WrapPanel Margin="0 0 0 10">
                    <TextBox Text="{Binding UserName, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Tên đăng nhập" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                    <ComboBox Margin="5 5 15 5" ItemsSource="{Binding Role}" SelectedItem="{Binding SelectedRole, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" materialDesign:HintAssist.Hint="Quyền" IsEditable="True" Style="{StaticResource MaterialDesignFloatingHintComboBox}"></ComboBox>
                    <TextBox Text="{Binding DisplayName, UpdateSourceTrigger=PropertyChanged}" Margin="5 5 15 5" materialDesign:HintAssist.Hint="Tên hiển thị" Style="{StaticResource MaterialDesignFloatingHintTextBox}" />
                </WrapPanel>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="1" Margin="5">
                <WrapPanel>
                    <Button Command="{Binding AddCommand}" Content="Thêm" Margin="5" Width="100"></Button>
                    <Button Command="{Binding EditCommand}" Content="Sửa" Margin="5" Width="100"></Button>
                    <Button Command="{Binding DeleteCommand}" Content="Xóa" Margin="5" Width="100"></Button>
                    <Button Command="{Binding ChangePasswordCommand}" Content="Đổi pass" Margin="5" Width="100"></Button>
                </WrapPanel>
            </materialDesign:Card>

            <materialDesign:Card Grid.Row="2" Margin="5" VerticalAlignment="Stretch">
                <ScrollViewer VerticalScrollBarVisibility="Auto">
                    <ListView ItemsSource="{Binding List}" SelectedItem="{Binding SelectedItem, Mode=OneWayToSource}">
                        <ListView.View>
                            <GridView>
                                <GridViewColumn Header="Id" DisplayMemberBinding="{Binding Id}"></GridViewColumn>
                                <GridViewColumn Header="Tên đăng nhập" DisplayMemberBinding="{Binding UserName}"></GridViewColumn>
                                <GridViewColumn Header="Chức vụ" DisplayMemberBinding="{Binding Role.DisplayName}"></GridViewColumn>
                                <GridViewColumn Header="Tên hiển thị" DisplayMemberBinding="{Binding DisplayName}"></GridViewColumn>
                            </GridView>
                        </ListView.View>
                    </ListView>
                </ScrollViewer>
            </materialDesign:Card>
        </Grid>
    </Grid>
</Window>
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace QuanLyKho
{
    /// <summary>
    /// Interaction logic for UserWindow.xaml
    /// </summary>
    public partial class UserWindow : Window
    {
        public UserWindow()
        {
            InitializeComponent();
        }
    }
}
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<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:viewmodel="clr-namespace:QuanLyKho.ViewModel"
                    xmlns:local="clr-namespace:QuanLyKho.ResourceXAML">
    <viewmodel:MainViewModel x:Key="MainVM"></viewmodel:MainViewModel>
    <viewmodel:LoginViewModel x:Key="LoginVM"></viewmodel:LoginViewModel>
    <viewmodel:UnitViewModel x:Key="UnitVM"></viewmodel:UnitViewModel>
</ResourceDictionary>
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<UserControl x:Class="QuanLyKho.UserControlKteam.ControlBarUC"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:QuanLyKho.UserControlKteam"
             
             xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
             xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"             
             
             
             Name="ucControlBar"
             mc:Ignorable="d">
    
        <i:Interaction.Triggers>
        <i:EventTrigger EventName="MouseLeftButtonDown">
            <i:InvokeCommandAction Command="{Binding MouseMoveWindowCommand}" CommandParameter="{Binding ElementName=ucControlBar}"/>
            </i:EventTrigger>
        </i:Interaction.Triggers>
    <Grid>
        <materialDesign:ColorZone Mode="PrimaryLight" >
            <DockPanel>                
                <StackPanel DockPanel.Dock="Right"  Background="Transparent" Orientation="Horizontal">
                    <StackPanel.Resources>
                        <Style TargetType="Button">
                            <Setter Property="Margin" Value="2 4 2 4"></Setter>
                            <Setter Property="Width" Value="40"></Setter>
                        </Style>                        
                    </StackPanel.Resources>
                    <Button Command="{Binding MinimizeWindowCommand}" 
                            CommandParameter="{Binding ElementName=ucControlBar}"
                        ToolTip="Đóng" ToolBar.OverflowMode="AsNeeded" Background="ForestGreen">
                        <materialDesign:PackIcon Kind="WindowMinimize" />
                    </Button>
                    <Button Command="{Binding MaximizeWindowCommand}" 
                            CommandParameter="{Binding ElementName=ucControlBar}"
                        ToolTip="Đóng" ToolBar.OverflowMode="AsNeeded" Background="ForestGreen">
                        <materialDesign:PackIcon Kind="WindowMaximize" />
                    </Button>
                    <Button Command="{Binding CloseWindowCommand}" 
                            CommandParameter="{Binding ElementName=ucControlBar}"
                            ToolTip="Đóng" ToolBar.OverflowMode="AsNeeded" Background="OrangeRed">
                        <materialDesign:PackIcon Kind="WindowClose" />
                     </Button> 
                </StackPanel>
                
                <StackPanel DockPanel.Dock="Left" Orientation="Horizontal">
                    <ToggleButton Style="{DynamicResource MaterialDesignHamburgerToggleButton}" />
                    <TextBlock VerticalAlignment="Center" Margin="16 0 0 0" Text="{Binding Tag, ElementName=ucControlBar}"></TextBlock>
                </StackPanel>                
            </DockPanel>
        </materialDesign:ColorZone>
    </Grid>
</UserControl>
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using QuanLyKho.ViewModel;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace QuanLyKho.UserControlKteam
{
    /// <summary>
    /// Interaction logic for ControlBarUC.xaml
    /// </summary>
    public partial class ControlBarUC : UserControl
    {
        public ControlBarViewModel Viewmodel { get; set; }

        public ControlBarUC()
        {
            InitializeComponent();
            this.DataContext = Viewmodel = new ControlBarViewModel();
        }
    }
}
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;

namespace QuanLyKho.ViewModel
{
    public class BaseViewModel : INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged;

        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }
    }
    class RelayCommand<T> : ICommand
    {
        private readonly Predicate<T> _canExecute;
        private readonly Action<T> _execute;

        public RelayCommand(Predicate<T> canExecute, Action<T> execute)
        {
            if (execute == null)
                throw new ArgumentNullException("execute");
            _canExecute = canExecute;
            _execute = execute;
        }

        public bool CanExecute(object parameter)
        {
            try
            {
                return _canExecute == null ? true : _canExecute((T)parameter);
            }
            catch
            {
                return true;
            }
        }

        public void Execute(object parameter)
        {
            _execute((T)parameter);
        }

        public event EventHandler CanExecuteChanged
        {
            add { CommandManager.RequerySuggested += value; }
            remove { CommandManager.RequerySuggested -= value; }
        }
    }
}
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;

namespace QuanLyKho.ViewModel
{
    public class ControlBarViewModel : BaseViewModel
    {
        #region commands
        public ICommand CloseWindowCommand { get; set; }
        public ICommand MaximizeWindowCommand { get; set; }
        public ICommand MinimizeWindowCommand { get; set; }
        public ICommand MouseMoveWindowCommand { get; set; }
        #endregion

        public  ControlBarViewModel()
        {
            CloseWindowCommand = new RelayCommand<UserControl>((p)=> { return p == null? false : true; }, (p)=> {
                FrameworkElement window = GetWindowParent(p);
                var w = window as Window;
                if (w != null)
                {
                    w.Close();
                }
                }
            );
            MaximizeWindowCommand = new RelayCommand<UserControl>((p) => { return p == null ? false : true; }, (p) =>
            {
                FrameworkElement window = GetWindowParent(p);
                var w = window as Window;
                if (w != null)
                {
                    if (w.WindowState != WindowState.Maximized)
                        w.WindowState = WindowState.Maximized;
                    else
                        w.WindowState = WindowState.Normal;
                }
            }
            );
            MinimizeWindowCommand = new RelayCommand<UserControl>((p) => { return p == null ? false : true; }, (p) =>
            {
                FrameworkElement window = GetWindowParent(p);
                var w = window as Window;
                if (w != null)
                {
                    if (w.WindowState != WindowState.Minimized)
                        w.WindowState = WindowState.Minimized;
                    else
                        w.WindowState = WindowState.Maximized;
                }
            }
            );
            MouseMoveWindowCommand = new RelayCommand<UserControl>((p) => { return p == null ? false : true; }, (p) =>
            {                
                FrameworkElement window = GetWindowParent(p);
                var w = window as Window;
                if (w != null)
                {
                    w.DragMove();
                }
            }
           );
        }

        FrameworkElement GetWindowParent(UserControl p)
        {
            FrameworkElement parent = p;

            while (parent.Parent != null)
            {
                parent = parent.Parent as FrameworkElement;              
            }

            return parent;
        }
    }
}
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using QuanLyKho.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;

namespace QuanLyKho.ViewModel
{
    class LoginViewModel : BaseViewModel
    {
        public bool IsLogin { get; set; }
        private string _UserName;
        public string UserName { get=>_UserName; set { _UserName = value;OnPropertyChanged(); } }
        private string _Password;
        public string Password { get => _Password; set { _Password = value; OnPropertyChanged(); } }

        public ICommand CloseCommand { get; set; }
        public ICommand LoginCommand { get; set; }
        public ICommand PasswordChangedCommand { get; set; }
        // mọi thứ xử lý sẽ nằm trong này
        public LoginViewModel()
        {
            IsLogin = false;
            Password = "";
            UserName = "";
            LoginCommand = new RelayCommand<Window>((p) => { return true; }, (p) => { Login(p); });
            CloseCommand = new RelayCommand<Window>((p) => { return true; }, (p) => { p.Close(); });
            PasswordChangedCommand = new RelayCommand<PasswordBox>((p) => { return true; }, (p) => { Password = p.Password; });
        }

        void Login(Window p)
        {
            if (p == null)
                return;

            /*
             admin
             admin

            staff
            staff
             */

            string passEncode = MD5Hash(Base64Encode(Password));
            var accCount = DataProvider.Ins.DB.Users.Where(x=>x.UserName == UserName && x.Password == passEncode).Count();

            if (accCount > 0)
            {
                IsLogin = true;

                p.Close();
            }
            else
            {
                IsLogin = false;
                MessageBox.Show("Sai tài khoản hoặc mật khẩu!");
            }
        }

        public static string Base64Encode(string plainText)
        {
            var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(plainText);
            return System.Convert.ToBase64String(plainTextBytes);
        }



        public static string MD5Hash(string input)
        {
            StringBuilder hash = new StringBuilder();
            MD5CryptoServiceProvider md5provider = new MD5CryptoServiceProvider();
            byte[] bytes = md5provider.ComputeHash(new UTF8Encoding().GetBytes(input));

            for (int i = 0; i < bytes.Length; i++)
            {
                hash.Append(bytes[i].ToString("x2"));
            }
            return hash.ToString();
        }


    }
}
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using QuanLyKho.Model;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;

namespace QuanLyKho.ViewModel
{
    public class MainViewModel : BaseViewModel
    {
        private ObservableCollection<TonKho> _TonKhoList;
        public ObservableCollection<TonKho> TonKhoList { get=> _TonKhoList; set { _TonKhoList = value;OnPropertyChanged(); } }

        public bool Isloaded = false;
        public ICommand LoadedWindowCommand { get; set; }
        public ICommand UnitCommand { get; set; }
        public ICommand SuplierCommand { get; set; }
        public ICommand CustomerCommand { get; set; }
        public ICommand ObjectCommand { get; set; }
        public ICommand UserCommand { get; set; }
        public ICommand InputCommand { get; set; }
        public ICommand OutputCommand { get; set; }

        // mọi thứ xử lý sẽ nằm trong này
        public MainViewModel()
        {
            LoadedWindowCommand = new RelayCommand<Window>((p) => { return true; }, (p) => {
                Isloaded = true;
                if (p == null)
                    return;
                p.Hide();
                LoginWindow loginWindow = new LoginWindow();
                loginWindow.ShowDialog();

                if (loginWindow.DataContext == null)
                    return;
                var loginVM = loginWindow.DataContext as LoginViewModel;

                if (loginVM.IsLogin)
                {
                    p.Show();
                    LoadTonKhoData();
                }
                else
                {
                    p.Close();
                }
            }
              );

            UnitCommand = new RelayCommand<object>((p) => { return true; }, (p) => { UnitWindow wd = new UnitWindow(); wd.ShowDialog(); });
            SuplierCommand = new RelayCommand<object>((p) => { return true; }, (p) => { SuplierWindow wd = new SuplierWindow(); wd.ShowDialog(); });
            CustomerCommand = new RelayCommand<object>((p) => { return true; }, (p) => { CustomerWindow wd = new CustomerWindow(); wd.ShowDialog(); });
            ObjectCommand = new RelayCommand<object>((p) => { return true; }, (p) => { ObjectWindow wd = new ObjectWindow(); wd.ShowDialog(); });
            UserCommand = new RelayCommand<object>((p) => { return true; }, (p) => { UserWindow wd = new UserWindow(); wd.ShowDialog(); });
            InputCommand = new RelayCommand<object>((p) => { return true; }, (p) => { InputWindow wd = new InputWindow(); wd.ShowDialog(); });
            OutputCommand = new RelayCommand<object>((p) => { return true; }, (p) => { OutputWindow wd = new OutputWindow(); wd.ShowDialog(); });
        }

        void LoadTonKhoData()
        {
            TonKhoList = new ObservableCollection<TonKho>();

            var objectList = DataProvider.Ins.DB.Objects;

            int i = 1;
            foreach (var item in objectList)
            {
                var inputList = DataProvider.Ins.DB.InputInfoes.Where(p => p.IdObject == item.Id);
                var outputList = DataProvider.Ins.DB.OutputInfoes.Where(p => p.IdObject == item.Id);

                int sumInput = 0;
                int sumOutput = 0;

                if (inputList != null)
                {
                    sumInput = (int)inputList.Sum(p=>p.Count);
                }
                if (outputList != null)
                {
                    sumOutput = (int)outputList.Sum(p => p.Count);
                }

                TonKho tonkho = new TonKho();
                tonkho.STT = i;
                tonkho.Count = sumInput - sumOutput;
                tonkho.Object = item;

                TonKhoList.Add(tonkho);

                i++;
            }
            
        }
    }
}
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using QuanLyKho.Model;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;

namespace QuanLyKho.ViewModel
{
    public class UnitViewModel : BaseViewModel
    {
        private ObservableCollection<Unit> _List;
        public ObservableCollection<Unit> List { get=> _List; set { _List = value;OnPropertyChanged(); } }

        private Unit _SelectedItem;
        public Unit SelectedItem { get=> _SelectedItem;
            set
            {
                _SelectedItem = value;
                OnPropertyChanged();
                if (SelectedItem != null)
                {
                    DisplayName = SelectedItem.DisplayName;
                }
            }
        }

        private string _DisplayName;
        public string DisplayName { get => _DisplayName; set { _DisplayName = value; OnPropertyChanged(); } }


        public ICommand AddCommand { get; set; }
        public ICommand EditCommand { get; set; }

        public UnitViewModel()
        {
            List = new ObservableCollection<Unit>(DataProvider.Ins.DB.Units);

            AddCommand = new RelayCommand<object>((p) => 
            {
                if (string.IsNullOrEmpty(DisplayName))
                    return false;

                var displayList = DataProvider.Ins.DB.Units.Where(x => x.DisplayName == DisplayName);
                if (displayList == null || displayList.Count() != 0)
                    return false;

                return true;

            }, (p) => 
            {
                var unit = new Unit() { DisplayName = DisplayName };

                DataProvider.Ins.DB.Units.Add(unit);
                DataProvider.Ins.DB.SaveChanges();

                List.Add(unit);
            });

            EditCommand = new RelayCommand<object>((p) =>
            {
                if (string.IsNullOrEmpty(DisplayName) || SelectedItem == null)
                    return false;

                var displayList = DataProvider.Ins.DB.Units.Where(x => x.DisplayName == DisplayName);
                if (displayList == null || displayList.Count() != 0)
                    return false;

                return true;

            }, (p) =>
            {
                var unit = DataProvider.Ins.DB.Units.Where(x=>x.Id == SelectedItem.Id).SingleOrDefault();
                unit.DisplayName = DisplayName;
                DataProvider.Ins.DB.SaveChanges();

                SelectedItem.DisplayName = DisplayName;
            });
        }
    }
}
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