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  • WPF 4 中DataGrid的模板列做双向数据绑定

      

    WPF 4 中DataGrid的模板列做双向数据绑定时,需要在绑定中指定UpdateSourceTrigger,如下:(WPFToolkit February 2010)

    <DataGrid VirtualizingStackPanel.IsVirtualizing="True" VirtualizingStackPanel.VirtualizationMode="Recycling" 
    Name=
    "dataGrid1" AutoGenerateColumns="False" ItemsSource="{Binding}" HorizontalGridLinesBrush=
    "{DynamicResource GridLinesBrush}" VerticalGridLinesBrush="{DynamicResource GridLinesBrush}"
     AlternatingRowBackground="{DynamicResource RowBackgroundBrush}" CanUserAddRows="False" 
    CanUserResizeRows=
    "False" CanUserDeleteRows="False" IsEnabled="True" Margin="0" RowHeight="20" 
     CellStyle=
    "{DynamicResource DataGridCellStyle2}" ColumnHeaderStyle="{DynamicResource DataGridColumnHeaderStyle1}" 
    RowStyle=
    "{DynamicResource DataGridRowStyle1}" RowHeaderStyle="{DynamicResource DataGridRowHeaderStyle1}" 
    ItemsPanel=
    "{DynamicResource ItemsPanelTemplate1}" RowHeaderWidth="0" IsSynchronizedWithCurrentItem="True"
     SelectionMode="Single" MinWidth="10" BorderThickness="0" GridLinesVisibility="Horizontal" ColumnHeaderHeight="22"
     ScrollViewer.CanContentScroll="False" >
      <DataGrid.Columns>
        <DataGridTemplateColumn Header="选择" CanUserReorder="False">
          <DataGridTemplateColumn.CellTemplate>
            <DataTemplate>
              <CheckBox IsChecked="{Binding IsChecked, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" Cursor="Hand"/>
            </DataTemplate>
            </DataGridTemplateColumn.CellTemplate>
        </DataGridTemplateColumn>
        <DataGridTextColumn Header="标题" Binding="{Binding Title, Mode=OneWay}" />
      </DataGrid.Columns>
    </DataGrid>

      IsChecked="{Binding IsChecked, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"

      WPFToolkit February 2010则不需要。

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  • 原文地址:https://www.cnblogs.com/luluping/p/2058016.html
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