1、添加供应商窗体

2、布局控件UI
 
<UserControl x:Class="West.StoreMgr.View.SupplierView"
             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:West.StoreMgr.View"
             mc:Ignorable="d" 
             DataContext="{Binding Source={StaticResource Locator},Path=Supplier}"
             d:DesignHeight="510" d:DesignWidth="800">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="50"/>
            <RowDefinition/>
            <RowDefinition/>
        </Grid.RowDefinitions>
        <!--标题-->
        <StackPanel Background="#EDF0F6" Orientation="Horizontal">
            <TextBlock Margin="10 0 0 0" Text="" FontSize="20" FontFamily="/Fonts/#FontAwesome" HorizontalAlignment="Left" VerticalAlignment="Center" Foreground="#797672"/>
            <TextBlock Margin="10 0 0 0" Text="首页 > 供应商管理" FontSize="20" FontFamily="/Fonts/#FontAwesome" HorizontalAlignment="Left" VerticalAlignment="Center" Foreground="#797672"/>
        </StackPanel>
        <!--增加-->
        <Grid Grid.Row="1" Margin="20">
            <Grid.RowDefinitions>
                <RowDefinition Height="30"/>
                <RowDefinition/>
            </Grid.RowDefinitions>
            <Border Background="#72BBE5">
                <TextBlock Text="添加供应商" FontSize="18" VerticalAlignment="Center" Foreground="#1F3C4C" Margin="0 0 10 0"/>
            </Border>
            <StackPanel Grid.Row="1" Orientation="Vertical" VerticalAlignment="Center"  Margin="-4 10 0 10">
                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                    <TextBlock Margin="0 0 10 0" Text="供应商名称:" VerticalAlignment="Center"/>
                    <TextBox Margin="0 0 10 0" Text="{Binding Supplier.Name,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="100" Height="30" />
                    <TextBlock Margin="0 0 10 0" Text="联系人:" VerticalAlignment="Center"/>
                    <TextBox Margin="0 0 10 0" Text="{Binding Supplier.Contact,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="200" Height="30" />
                    <TextBlock Margin="0 0 10 0" Text="电话:" VerticalAlignment="Center"/>
                    <TextBox Margin="0 0 10 0" Text="{Binding Supplier.Telephone,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="200" Height="30" />
                </StackPanel>
                <StackPanel Orientation="Horizontal" VerticalAlignment="Center"  Margin="0 10 0 10">
                    <TextBlock Margin="0 0 10 0" Text="电子信箱:" VerticalAlignment="Center"/>
                    <TextBox Margin="0 0 10 0" Text="{Binding Supplier.Email,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="100" Height="30" />
                    <TextBlock Margin="0 0 10 0" Text="地址:" VerticalAlignment="Center"/>
                    <TextBox Margin="0 0 10 0" Text="{Binding Supplier.Address,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="200" Height="30" />
                    <TextBlock Margin="0 0 10 0" Text="备注:" VerticalAlignment="Center"/>
                    <TextBox Margin="0 0 10 0" Text="{Binding Supplier.Tag,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="200" Height="30" />
                </StackPanel>
                <StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="220 10 0 10">
                    <!--button-->
                    <Button Margin="0 0 0 0" Height="36" FontSize="20" Width="199" Grid.Row="3" 
                     Content="增 加" Style="{StaticResource ButtonStyle}" 
                     CommandParameter="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:SupplierView}}"
                     Command="{Binding AddCommand}"/>
                </StackPanel>
            </StackPanel>
        </Grid>
        <!--列表-->
        <Grid Grid.Row="2" Margin="10 -20 10 10">
            <DataGrid ItemsSource="{Binding SupplierList}" CanUserAddRows="False" AutoGenerateColumns="False">
                <DataGrid.Columns>
                    <DataGridTextColumn Header="序号" Binding="{Binding Id}"/>
                    <DataGridTextColumn Header="供应商" Binding="{Binding Name}"/>
                    <DataGridTextColumn Header="联系人" Binding="{Binding Contact}"/>
                    <DataGridTextColumn Header="电话" Binding="{Binding Telephone}"/>
                    <DataGridTextColumn Header="邮箱" Binding="{Binding Email}"/>
                    <DataGridTextColumn Header="地址" Binding="{Binding Address}"/>
                    <DataGridTextColumn Header="备注" Binding="{Binding Tag}"/>
                    <DataGridTextColumn Header="日期" Binding="{Binding InsertDate}"/>
                    <DataGridTemplateColumn  Header="操作">
                        <DataGridTemplateColumn.CellTemplate>
                            <DataTemplate>
                                <StackPanel Orientation="Horizontal">
                                    <Button Content="编辑" 
                                         Command="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:SupplierView},Path=DataContext.EditCommand}"
                                         CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self}}" 
                                         Tag="{Binding}" 
                                         Style="{StaticResource DataGridButtonStyle}" />
                                    <Button Content="删除" 
                                         Command="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:SupplierView},Path=DataContext.DeleteCommand}"
                                         CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self}}"
                                         Tag="{Binding}" 
                                         Style="{StaticResource DataGridButtonStyle}" />
                                </StackPanel>
                            </DataTemplate>
                        </DataGridTemplateColumn.CellTemplate>
                    </DataGridTemplateColumn>
                </DataGrid.Columns>
            </DataGrid>
        </Grid>
    </Grid>
</UserControl>
3、添加viewmodel

using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Command;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Controls;
using West.StoreMgr.Helper;
using West.StoreMgr.Service;
using CommonServiceLocator;
using West.StoreMgr.Windows;
using static West.StoreMgr.Windows.MsgBoxWindow;
namespace West.StoreMgr.ViewModel
{
    /// <summary>
    /// 供应商viewmodel
    /// </summary>
    public class SupplierViewModel : ViewModelBase
    {
        public SupplierViewModel()
        {
            SupplierList = new SupplierService().Select();
        }
        private Supplier supplier = new Supplier();
        public Supplier Supplier
        {
            get { return supplier; }
            set { supplier = value; RaisePropertyChanged(); }
        }
        private List<Supplier> supplierList = new List<Supplier>();
        public List<Supplier> SupplierList
        {
            get { return supplierList; }
            set { supplierList = value; RaisePropertyChanged(); }
        }
        /// <summary>
        /// 添加
        /// </summary>
        public RelayCommand AddCommand
        {
            get
            {
                var command = new RelayCommand(() =>
                {
                    if (string.IsNullOrEmpty(Supplier.Name) == true
                    || string.IsNullOrEmpty(Supplier.Contact) == true
                    || string.IsNullOrEmpty(Supplier.Telephone) == true)
                    { 
                        MsgWinHelper.ShowError("不能为空!");
                        return;
                    }
                    Supplier.InsertDate = DateTime.Now;
                    var service = new SupplierService();
                    int count = service.Insert(Supplier);
                    if (count > 0)
                    {
                        SupplierList = service.Select();
                        MsgWinHelper.ShowMessage("添加成功!");
                        Supplier = new Supplier();
                    }
                    else
                    {
                        MsgWinHelper.ShowError("添加失败!");
                    }
                });
                return command;
            }
        }
        /// <summary>
        /// 修改
        /// </summary>
        public RelayCommand<Button> EditCommand
        {
            get
            {
                var command = new RelayCommand<Button>((view) =>
                {
                    var old = view.Tag as Supplier;
                    if (old == null) return;
                    var model = ServiceLocator.Current.GetInstance<EditSupplierViewModel>();
                    model.Supplier = old;
                    var window = new EditSupplierWindow();
                    window.ShowDialog();
                    SupplierList = new SupplierService().Select();
                });
                return command;
            }
        }
        //删除
        public RelayCommand<Button> DeleteCommand
        {
            get
            {
                var command = new RelayCommand<Button>((view) =>
                { 
                    if (MsgWinHelper.ShowQuestion("您确定要删除该空运详情单吗?") == CustomMessageBoxResult.OK)
                    {
                        var old = view.Tag as Supplier;
                        if (old == null) return;
                        var service = new SupplierService();
                        int count = service.Delete(old);
                        if (count > 0)
                        {
                            SupplierList = service.Select();
                            MsgWinHelper.ShowMessage("删除成功!");
                        }
                        else
                        {
                            MsgWinHelper.ShowError("删除失败!");
                        }
                    }
                });
                return command;
            }
        }
    }
}
4、运行效果



5、修改供应商
1)UI布局

<Window x:Class="West.StoreMgr.Windows.EditSupplierWindow"
        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:West.StoreMgr.Windows"
        mc:Ignorable="d"
         ResizeMode="NoResize"
          WindowStartupLocation="CenterScreen"
         DataContext="{Binding Source={StaticResource Locator},Path=EditSupplier}"
         Title="修改供应商" Height="450" Width="800">
    <Grid Background="#E4ECEF">
        <Grid Grid.Column="0">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="0.5*"/>
                <ColumnDefinition/>
                <ColumnDefinition Width="0.5*"/>
                <ColumnDefinition/>
            </Grid.ColumnDefinitions>
            <Grid.RowDefinitions>
                <RowDefinition/>
                <RowDefinition/>
                <RowDefinition/>
                <RowDefinition/>
                <RowDefinition/>
                <RowDefinition/>
            </Grid.RowDefinitions>
            <Grid Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="4">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition></ColumnDefinition>
                    <ColumnDefinition></ColumnDefinition>
                    <ColumnDefinition></ColumnDefinition>
                </Grid.ColumnDefinitions>
                <Border Grid.Column="0" Height="2" Width="122" HorizontalAlignment="Center" VerticalAlignment="Center">
                    <!--渐变色横条-->
                    <Border.Background>
                        <LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
                            <GradientStop Color="Red" Offset="0"></GradientStop>
                            <GradientStop Color="#6d6d6d"  Offset="1"></GradientStop>
                        </LinearGradientBrush>
                    </Border.Background>
                </Border>
                <TextBlock Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="4" HorizontalAlignment="Center" VerticalAlignment="Center" Text="修改供应商" FontSize="36"/>
                <Border Grid.Column="2"  Height="2" Width="122" HorizontalAlignment="Center" VerticalAlignment="Center">
                    <!--渐变色横条-->
                    <Border.Background>
                        <LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
                            <GradientStop Color="Red" Offset="1"></GradientStop>
                            <GradientStop Color="#6d6d6d"  Offset="0"></GradientStop>
                        </LinearGradientBrush>
                    </Border.Background>
                </Border>
            </Grid>
           
            <TextBlock Grid.Row="1" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Text="供应商" FontSize="20"/>
            <TextBlock Grid.Row="2" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Text="联系人" FontSize="20"/>
            <TextBlock Grid.Row="3" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Text="电话" FontSize="20"/>
            <TextBox Grid.Row="1" Grid.Column="1" HorizontalAlignment="Left" VerticalAlignment="Center" Text="{Binding Supplier.Name,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" FontSize="20" Width="200" Height="30"/>
            <TextBox Grid.Row="2" Grid.Column="1" HorizontalAlignment="Left" VerticalAlignment="Center" Text="{Binding Supplier.Contact,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" FontSize="20" Width="200" Height="30"/>
            <TextBox Grid.Row="3" Grid.Column="1" HorizontalAlignment="Left" VerticalAlignment="Center" Text="{Binding Supplier.Telephone,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" FontSize="20" Width="200" Height="30"/>
            <TextBlock Grid.Row="1" Grid.Column="2" HorizontalAlignment="Center" VerticalAlignment="Center" Text="电子邮箱" FontSize="20"/>
            <TextBlock Grid.Row="2" Grid.Column="2" HorizontalAlignment="Center" VerticalAlignment="Center" Text="地址" FontSize="20"/>
            <TextBlock Grid.Row="3" Grid.Column="2" HorizontalAlignment="Center" VerticalAlignment="Center" Text="备注" FontSize="20"/>
            <TextBox Grid.Row="1" Grid.Column="3" HorizontalAlignment="Left" VerticalAlignment="Center" Text="{Binding Supplier.Email,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" FontSize="20" Width="200" Height="30"/>
            <TextBox Grid.Row="2" Grid.Column="3" HorizontalAlignment="Left" VerticalAlignment="Center" Text="{Binding Supplier.Address,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" FontSize="20" Width="200" Height="30"/>
            <TextBox Grid.Row="3" Grid.Column="3" HorizontalAlignment="Left" VerticalAlignment="Center" Text="{Binding Supplier.Tag,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" FontSize="20" Width="200" Height="30"/>
            <!--button-->
            <StackPanel Grid.Row="4" Grid.Column="0" Grid.ColumnSpan="4" Orientation="Horizontal" HorizontalAlignment="Right" >
                <Button  Height="45" Width="199" Grid.Row="4" FontSize="20"  Grid.Column="0" Grid.ColumnSpan="4" HorizontalAlignment="Center" Margin="20 0 20 0"
                     Content="修 改" Style="{StaticResource ButtonStyle}" 
                     CommandParameter="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:EditSupplierWindow}}"
                     Command="{Binding EditCommand}"/>
                <Button  Height="45" Width="199" Grid.Row="4"  FontSize="20"   Grid.Column="0" Grid.ColumnSpan="4" HorizontalAlignment="Center" Margin="20 0 65 0"
                     Content="取 消" Style="{StaticResource ButtonStyle}" 
                     CommandParameter="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:EditSupplierWindow}}"
                     Command="{Binding CancelCommand}"/>
            </StackPanel> 
        </Grid> 
    </Grid>
</Window>
2)viewmodel
using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Command;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using West.StoreMgr.Helper;
using West.StoreMgr.Service;
namespace West.StoreMgr.ViewModel
{
    /// <summary>
    /// 编辑供应商viewmodel
    /// </summary>
    public class EditSupplierViewModel : ViewModelBase
    {
        private Supplier supplier = new Supplier();
        public Supplier Supplier
        {
            get { return supplier; }
            set { supplier = value; RaisePropertyChanged(); }
        }
        /// <summary>
        /// 修改
        /// </summary>
        public RelayCommand<Window> EditCommand
        {
            get
            {
                var command = new RelayCommand<Window>((window) =>
                {
                    if (string.IsNullOrEmpty(Supplier.Name) == true
                    || string.IsNullOrEmpty(Supplier.Contact) == true
                    || string.IsNullOrEmpty(Supplier.Telephone) == true)
                    { 
                        MsgWinHelper.ShowError("不能为空!");
                        return;
                    }
                    var service = new SupplierService();
                    int count = service.Update(Supplier);
                    if (count > 0)
                    {
                        MsgWinHelper.ShowMessage("修改成功!");
                        window.Close();
                    }
                    else
                    { 
                        MsgWinHelper.ShowError("修改失败!");
                    }
                });
                return command;
            }
        }
        /// <summary>
        /// 取消
        /// </summary>
        public RelayCommand<Window> CancelCommand
        {
            get
            {
                var command = new RelayCommand<Window>((window) =>
                {
                    window.Close();
                });
                return command;
            }
        }
    }
}
3)运行效果
 
6、删除供应商


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