I have a combo box in a grid cell which populates data from collection. However, it's value is not getting saved in the grid cell when focus is moved to another row in the grid. Any pointers would be greatly appreciated.

i use xceed datagrid for project. i want to insert dynamic data to combobox. but i don't find dynamic data sample in xceed . only fixed data sample(below...) help me....-.-;;;    Xaml >......................................................................My Code         <xcdg:CellEditor ...