Wpf 如何在DataGridCellEditEnding方法中获取DataGridTemplateColumn的值
我有DataGrid,它的itemsource是一个名为WeightItemData的对象列表 我的数据网格中的所有列都是DataGridTextColumn,除了DataGridTemplateColumn和Combobox之外 我的问题是无法在DataGridCellEditEnding方法中获取更新的combox值Wpf 如何在DataGridCellEditEnding方法中获取DataGridTemplateColumn的值,wpf,datagrid,wpf-controls,datagridtemplatecolumn,Wpf,Datagrid,Wpf Controls,Datagridtemplatecolumn,我有DataGrid,它的itemsource是一个名为WeightItemData的对象列表 我的数据网格中的所有列都是DataGridTextColumn,除了DataGridTemplateColumn和Combobox之外 我的问题是无法在DataGridCellEditEnding方法中获取更新的combox值 <DataGridTemplateColumn Header="Crew" SortMemberPath="FsmTypes"
<DataGridTemplateColumn Header="Crew" SortMemberPath="FsmTypes">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding FsmType}"></TextBlock>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
<DataGridTemplateColumn.CellEditingTemplate>
<DataTemplate>
<ComboBox ItemsSource="{Binding FsmTypes, Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" SelectedItem="{Binding FsmType,Mode=TwoWay}"></ComboBox>
</DataTemplate>
</DataGridTemplateColumn.CellEditingTemplate>
</DataGridTemplateColumn>
private void DataGridCellEditEnding(object sender, DataGridCellEditEndingEventArgs e)
{
TextBlock cmb = e.EditingElement as TextBlock;
if (e.EditAction == DataGridEditAction.Commit)
{
WeightItemData wid = e.Row.DataContext as WeightItemData;
}
}
私有void DataGridCellEditEnding(对象发送方,DataGridCellEditEndingEventArgs e)
{
TextBlock cmb=e.将元素编辑为TextBlock;
if(e.EditAction==DataGridEditAction.Commit)
{
WeightItemData wid=e.Row.DataContext作为WeightItemData;
}
}
我刚刚解决了我的问题,如下所示
private void DataGridCellEditEnding(object sender, DataGridCellEditEndingEventArgs e)
{
if (e.EditAction == DataGridEditAction.Commit)
{
WeightItemData wid = e.Row.DataContext as WeightItemData;
if (e.Column.SortMemberPath.Equals("FsmTypes")) {
FrameworkElement elmtTest = e.Column.GetCellContent(e.Row);
ComboBox fsmTypeCombo = ApplicationUtility.FindVisualChild<ComboBox>(elmtTest);
if(fsmTypeCombo!=null)
{
wid.FsmType = fsmTypeCombo.SelectedValue.ToString();
}
}
}
}
public static T FindVisualChild<T>(DependencyObject obj) where T : DependencyObject
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(obj); i++)
{
DependencyObject child = VisualTreeHelper.GetChild(obj, i);
if (child != null && child is T)
return (T)child;
else
{
T childOfChild = FindVisualChild<T>(child);
if (childOfChild != null)
return childOfChild;
}
}
return null;
}
private void DataGridCellEditEnding(对象发送方,DataGridCellEditEndingEventArgs e)
{
if(e.EditAction==DataGridEditAction.Commit)
{
WeightItemData wid=e.Row.DataContext作为WeightItemData;
if(例如Column.SortMemberPath.Equals(“FsmTypes”)){
FrameworkElement elmtest=e.Column.GetCellContent(e.Row);
ComboBox fsmTypeCombo=ApplicationUtility.FindVisualChild(elmtTest);
if(fsmTypeCombo!=null)
{
wid.FsmType=fsmTypeCombo.SelectedValue.ToString();
}
}
}
}
公共静态T FindVisualChild(DependencyObject对象),其中T:DependencyObject
{
for(int i=0;i
您是否尝试从WeightItemData
或TextBlock
获取值?我将Combobox的SelectedItem绑定到WeightItemData的FSM类型,因此我尝试从WeightItemData获取值。您是否尝试将e.EditingElement`强制转换为Combobox
?请参阅下面的答案。我解决了我的问题,作为回答的代码。