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我有一个WPF的Datagrid,用一个DataTemplate列组合框获取从数据模板组合框在WPF的DataGrid
<DataGrid Name="grdTest" ItemsSource="{Binding Path=TestsList,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}">
<DataGrid.Columns>
<DataGridTemplateColumn Width="120">
<DataGridTemplateColumn.Header >
<TextBlock Text="Test Name" ToolTip="Test Name" Width="109"/>
</DataGridTemplateColumn.Header>
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<ComboBox Name="cbxTest"
SelectedValue="{Binding TestID,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}"
DisplayMemberPath="Test" SelectedValuePath="TestID" SelectionChanged="cbxTest_SelectionChanged_1"
ItemsSource ="{Binding Path=TestList}">
</ComboBox>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
</DataGrid.Columns>
</DataGrid>
我试图让下面的DataGrid的CellEditEnding事件的组合框元素:
FrameworkElement elmtTest = grdTest.Columns[7].GetCellContent(e.Row);
ContentPresenter myContentPresenter = FindVisualChild<ContentPresenter>(elmtTest);
DataTemplate myDataTemplate = myContentPresenter.ContentTemplate;
ComboBox myComboBox = (ComboBox)myDataTemplate.FindName("cbxTest", myContentPresenter);
elmtTest的类型为System.Windows.Controls.ContentPresenter。 但内容模板为空。我如何获得datagrid列的组合框元素?