前台绑定

<DataGrid.Columns><DataGridTemplateColumn ><DataGridTemplateColumn.HeaderTemplate><DataTemplate><CheckBox Click="HeaderCellLoad" Content="全选"   IsChecked="False" Unchecked="UnChoice_Checked" Checked="Choice_Checked"></CheckBox></DataTemplate></DataGridTemplateColumn.HeaderTemplate><DataGridTemplateColumn.CellTemplate><DataTemplate><CheckBox Click="checkbox_checked" HorizontalAlignment="Center" x:Name="Choices"  IsChecked="{Binding CHOICE, Mode=TwoWay}" VerticalAlignment="Center" /></DataTemplate></DataGridTemplateColumn.CellTemplate>  </DataGridTemplateColumn>  <DataGridTextColumn Header="商品条码" Binding="{Binding commodity_barcode}" Width="20*" HeaderStyle="{StaticResource ColumnHeaderStyle}"/><DataGridTextColumn Header="商品名称" Binding="{Binding commodity_name}" Width="18*" HeaderStyle="{StaticResource ColumnHeaderStyle}"/><DataGridTextColumn Header="单位" Binding="{Binding commodity_unit}" Width="10*" HeaderStyle="{StaticResource ColumnHeaderStyle}"/><DataGridTextColumn Header="规格" Binding="{Binding commodity_rule}" Width="10*" HeaderStyle="{StaticResource ColumnHeaderStyle}"/><DataGridTextColumn Header="售价" Binding="{Binding commodity_retailprice}" Width="10*" HeaderStyle="{StaticResource ColumnHeaderStyle}" /><DataGridTextColumn Header="会员价" Binding="{Binding commodity_memberprice}" Width="10*" HeaderStyle="{StaticResource ColumnHeaderStyle}"/><DataGridTemplateColumn Header="操作" Width="10*"><DataGridTemplateColumn.CellTemplate><DataTemplate>  <StackPanel Orientation="Horizontal"><Button Content="修改"  Click="Update_Click" Margin="15,0,5,0" ><Button.Template><ControlTemplate TargetType="Button"><TextBlock TextDecorations="Underline" Name="btnInput" >  <ContentPresenter /></TextBlock></ControlTemplate></Button.Template><Button.Style><Style TargetType="Button"><Setter Property="Foreground" Value="Blue" /><Style.Triggers><Trigger Property="IsMouseOver" Value="true"><Setter Property="Foreground" Value="Red" /></Trigger></Style.Triggers></Style></Button.Style></Button><Button Content="删除" Click="Delete_Click" Margin="15,0,5,0"><Button.Template><ControlTemplate TargetType="Button"><TextBlock TextDecorations="Underline" Name="btnCancel" >  <ContentPresenter /></TextBlock></ControlTemplate></Button.Template><Button.Style><Style TargetType="Button"><Setter Property="Foreground" Value="Red" /><Style.Triggers><Trigger Property="IsMouseOver" Value="true"><Setter Property="Foreground" Value="Red" /></Trigger></Style.Triggers></Style></Button.Style></Button></StackPanel></DataTemplate></DataGridTemplateColumn.CellTemplate></DataGridTemplateColumn></DataGrid.Columns> 

后台事件

    /// <summary>/// Checked UnChecked事件/// </summary>/// <param name="sender"></param>/// <param name="e"></param> private void Choice_Checked(object sender, RoutedEventArgs e){DataTable dt = ((DataView)CommodityData.ItemsSource).Table;foreach (DataRow row in dt.Rows){row["CHOICE"] = "1";GetCount();}}private void UnChoice_Checked(object sender, RoutedEventArgs e){DataTable dt = ((DataView)CommodityData.ItemsSource).Table;foreach (DataRow row in dt.Rows){row["CHOICE"] = "0";GetCount();}}private void checkbox_checked(object sender, RoutedEventArgs e){//首先获取DataGridTemplateColumn所在列     DataGridTemplateColumn tempColumn = this.CommodityData.Columns[0] as DataGridTemplateColumn;//然后获取DataGridTemplateColumn单元格元素FrameworkElement element = this.CommodityData.Columns[0].GetCellContent(this.CommodityData.Items[CommodityData.SelectedIndex]);if (element != null){//把单元格元素转换为相应的控件，再从该控件中取值System.Windows.Controls.CheckBox ck = tempColumn.CellTemplate.FindName("Choices", element) as System.Windows.Controls.CheckBox; if (ck.IsChecked == true){DataRowView item = CommodityData.Items[CommodityData.SelectedIndex] as DataRowView;DataRow dr = item.Row;dr["CHOICE"] = "1";GetCount();}else if (ck.IsChecked == false){DataRowView item = CommodityData.Items[CommodityData.SelectedIndex] as DataRowView;DataRow dr = item.Row;dr["CHOICE"] = "0";GetCount();} }}