1 <toolkit:DataGrid Name="grid" AutoGenerateColumns="False" ItemsSource="{Binding Documents, NotifyOnTargetUpdated=True}" Grid.Row="0" IsReadOnly="True" SelectionMode="Extended" SelectionUnit="FullRow">
 2                 <toolkit:DataGrid.Columns>
 3                     <toolkit:DataGridTemplateColumn Header="选择" Width="50">
 4                         <toolkit:DataGridTemplateColumn.CellTemplate>
 5                             <DataTemplate>
 6                                 <CheckBox x:Name="ck" Tag="{Binding Id}" HorizontalAlignment="Center"></CheckBox>
 7                             </DataTemplate>
 8                         </toolkit:DataGridTemplateColumn.CellTemplate>
 9                     </toolkit:DataGridTemplateColumn>
10                     <toolkit:DataGridTextColumn Header="ID" Binding="{Binding Id}" Visibility="Hidden"/>
11                     <toolkit:DataGridTextColumn Header="Name" Binding="{Binding Name}"/>
12                     <toolkit:DataGridTextColumn Header="Age" Binding="{Binding Age}"/>
13                     <toolkit:DataGridTextColumn Header="Sex" Binding="{Binding Sex}"/>
14                 </toolkit:DataGrid.Columns>
15             </toolkit:DataGrid>
16 
17 
18 <CheckBox Name="cbCheckAll" Grid.Row="2" Margin="10" HorizontalAlignment="Left" VerticalAlignment="Bottom" Click="cbCheckAll_Click">全选</CheckBox>

 1 private void cbCheckAll_Click(object sender, RoutedEventArgs e)
 2         {
 3             if (grid.ItemsSource != null)
 4             {
 5                 bool _flag = this.cbCheckAll.IsChecked.Value ? false : true;
 6 
 7                 foreach (object ovj in grid.ItemsSource)
 8                 {
 9                     if (null != grid.Columns[0] && null != grid.Columns[0].GetCellContent(ovj))
10                     {
11                         CheckBox cb = grid.Columns[0].GetCellContent(ovj).FindName("ck") as CheckBox;
12                         if (null != cb)
13                         {
14                             cb.IsChecked = _flag;
15                         }
16                     }
17                 }
18             }
19         }