Hi Jenny, See the below which is the CellEditor I used before for the ComboBox which is not working. <xceed:CellEditor x:Key=''SourceFieldEditStyle''>            ...

The Cell Editors topic in the documentation should help you get started. The drop-down you are referring to is the auto-filter control, and although it is not a cell editor, you could look at the Custom Auto-filtering Controls topic to get an idea of how it is constructed. Something you should keep in mind is that only one element in the cell ...

You need to use a CellEditorBinding in order to bind the content of the RichTextBox to the cell's; however, if you want to use the WPF RichTextBox, you might be in for a surprise as it is not like the WinForms one and can't be easily bound to. For example, in the WPF RTB, there is no Text property to which you can bind but rather a Document ...

You can create a converter that converts null and possibly DBNull values into 0 and apply it to your cell editor's CellEditorBinding.

Hi Dave, I should have been more specific. You need to change both the CellContentTemplate and the CellEditor in order to display a checkbox when the cell is being edited and when it is not. The CellEditorBinding markup extension can only be used within the context of a cell editor, it will do nothing when used in the CellContentTemplate. That ...

You will also need to change the CellEditor if you are going to edit the data. The same kind of DataTemplate can be used. just make sure that you bind the IsChecked property of the CheckBox using a CellEditorBinding extension. For example: <DataTemplate>  <CheckBox IsChecked=''{xcdg:CellEditorBinding}''/></DataTemplate>

Got it:               List<String> itemList = new List<String>();            itemList.Add(''NW'');            itemList.Add(''N'');            ...

Do you have any binding errors in the output window? If you use the same bindings on the combobox outside the grid, are the values displayed?