<Grid Margin="5">

             <Grid.ColumnDefinitions>

                 <ColumnDefinition Width="Auto"/>

                 <ColumnDefinition/>

             </Grid.ColumnDefinitions>

             <Grid.RowDefinitions>

                 <RowDefinition  Height="Auto"/>

                 <RowDefinition Height="Auto"/>

                 <RowDefinition Height="Auto"/>

                 <RowDefinition Height="Auto"/>

                 <RowDefinition Height="Auto"/>

                 <RowDefinition Height="Auto"/>

                 <RowDefinition/>

             </Grid.RowDefinitions>

             <TextBlock  Grid.Row="0" Grid.Column="0" Text="商品名称" HorizontalAlignment="Right" VerticalAlignment="Center" />

             <TextBox Grid.Row="0" Grid.Column="1" Margin="2" VerticalAlignment="Center" Text="{Binding Path=ComName}" Name="tbkName"/>

             <TextBlock  Grid.Row="1" Grid.Column="0" Text="商品进货单价" HorizontalAlignment="Right" VerticalAlignment="Center" />

             <TextBox Grid.Row="1" Grid.Column="1" Margin="2" VerticalAlignment="Center" Text="{Binding Path=ComInPrice}" Name="tbkInPrice"/>

             <TextBlock  Grid.Row="2" Grid.Column="0" Text="商品零售价格" HorizontalAlignment="Right" VerticalAlignment="Center" />

             <TextBox Grid.Row="2" Grid.Column="1" Margin="2" VerticalAlignment="Center" Text="{Binding Path=ComOutPrice}" Name="tbkOutPrice"/>

             <TextBlock  Grid.Row="3" Grid.Column="0" Text="进货数量" HorizontalAlignment="Right" VerticalAlignment="Center" />

             <TextBox Grid.Row="3" Grid.Column="1" Margin="2" VerticalAlignment="Center" Text="{Binding Path=ComOutPrice}" Name="tbkComCount"/>

             <Button Grid.Row="4" Grid.Column="1" Content="添加新纪录" Margin="2" Padding="2" Name="btnAdd" Click="btnAdd_Click" />

             <TextBlock Grid.Row="5" Grid.ColumnSpan="2"  HorizontalAlignment="Stretch"  VerticalAlignment="Center"  Background="Black" />

             <ListView Name="lstDisplay" ItemsSource="{Binding}" Grid.Row="6" Grid.ColumnSpan="2">

                 <ListView.View>

                     <GridView>

                         <GridView.Columns>

                             <GridViewColumn  Header="AutoID" DisplayMemberBinding="{Binding AutoID}"/>

                             <GridViewColumn Header="商品名称" DisplayMemberBinding="{Binding ComName}"/>

                             <GridViewColumn Header="进货价格" DisplayMemberBinding="{Binding Path=ComInPrice,StringFormat={}{0:c}}"/>

                             <GridViewColumn Header="零售价格" DisplayMemberBinding="{Binding Path=ComOutPrice,StringFormat={}{0:c}}"/>

                             <GridViewColumn Header="进货数量" DisplayMemberBinding="{Binding ComCount}"/>

                         </GridView.Columns>

                     </GridView>

                 </ListView.View>

             </ListView>

         </Grid>

 DataTable Commodity = newTable();

        public MainWindow()

        {

            InitializeComponent();

            //DataTable Commodity = newTable();

        }

        private void btnAdd_Click(object sender, RoutedEventArgs e)

        {

            addNewMember(Commodity);

            lstDisplay.DataContext = Commodity;

        }

        private void btnDelete_Click(object sender, RoutedEventArgs e)

        {

            Button b = sender as Button;

            Int32 AutoID = Convert.ToInt32(b.CommandParameter);

            delMember(Commodity, AutoID);

            lstDisplay.DataContext = Commodity;

            lstDisplay.Items.Refresh();

        }

        private DataTable delMember(DataTable Table,Int32 laction)

        {

            //Deleting  a existed row in datatable Commodity;

            DataRow delRow = Table.Rows.Find(laction);

            Table.Rows.Remove(delRow);

            return Table;

        }

        private  DataTable addNewMember(DataTable Table)

        {

            //inserting a new row in datatable Commodity;

            DataRow newRow = Table.NewRow();

            newRow["ComName"] = tbkName.Text;

            newRow["ComInPrice"] = tbkInPrice.Text;

            newRow["ComOutPrice"] = tbkOutPrice.Text;

            newRow["ComCount"] = tbkComCount.Text;

            Table.Rows.Add(newRow);

            return Table;

        }

        private static DataTable newTable()

        {

            //Create a new table named Commodity

            DataTable commodity = new DataTable("Commodity");

            //instert new columns

            DataColumn auto = new DataColumn("AutoID", typeof(Int32));

            //setting the column auto increment

            auto.AutoIncrement = true;

            commodity.Columns.Add(auto);

            commodity.Columns.Add("ComName", typeof(string));

            commodity.Columns.Add("ComInPrice", typeof(double));

            commodity.Columns.Add("ComOutPrice", typeof(double));

            commodity.Columns.Add("ComCount", typeof(System.Int32));

            commodity.PrimaryKey = new DataColumn[] { commodity.Columns[] };

            return commodity;

        }