你可以嘗試一些這樣的事
<Grid>
<DataGrid ItemsSource="{Binding A}" AutoGenerateColumns="False" >
<DataGrid.Columns>
<DataGridTemplateColumn Header="Choose" >
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<ComboBox ItemsSource="{Binding ListOfValues}" SelectedValue="{Binding Selected, UpdateSourceTrigger=PropertyChanged}"/>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
<DataGridTemplateColumn Header="Value">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<TextBox Text="{Binding Selected, UpdateSourceTrigger=PropertyChanged}" IsReadOnly="{Binding ValueAvalible}"/>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
</DataGrid.Columns>
</DataGrid>
</Grid
在細胞Demplate截至目前我已經把唯一的文本框和約束ValueAvalible爲只讀屬性。您也可以同時擁有標籤和TextBox,並且可以將ValueAvalible綁定到標籤和TextBox的可見性。如果值可用,您可以隱藏顯示標籤的文本。如果沒有值是否有在下拉列表,你可以隱藏標籤顯示,這將給像下面
<StackPanel>
<Label Content="{Binding Selected}" Visibility="{Binding ValueAvalible, Converter={StaticResource ResourceKey=booleanToVisiblity}}"/>
<TextBox Text="{Binding Selected, UpdateSourceTrigger=PropertyChanged}" Visibility="{Binding ValueAvalible, Converter={StaticResource ResourceKey=invertedBooleanToVisiblity}}"/>
</StackPanel>
更好的用戶體驗,在您的視圖模型
class ViewModel
{
public ObservableCollection<Values> A
{
get;
set;
}
public ViewModel()
{
A = new ObservableCollection<Values>();
Values vv = new Values();
vv.ListOfValues = new ObservableCollection<string>();
vv.ListOfValues.Add("1");
vv.ListOfValues.Add("2");
vv.Selected = vv.ListOfValues[0];
vv.ValueAvalible = true;
A.Add(vv);
A.Add(new Values());
}
}
public class Values : NotifiyPropertyChanged
{
public ObservableCollection<string> ListOfValues
{
get;
set;
}
private string selectedValue;
public string Selected
{
get
{
return selectedValue;
}
set
{
selectedValue = value;
Notify("Selected");
}
}
public bool ValueAvalible
{
get;
set;
}
}
public class NotifiyPropertyChanged : INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
protected void Notify(string propertyName)
{
if (PropertyChanged != null)
{
PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
}
}
}
}
請張貼一些代碼文本框,要知道你曾經嘗試過什麼。 –