Please i let you know i found an example that show me how to add dropdownlist in grid and it working now but i can't get dropdownlist on Edit mode "PopUp" and i don't know how to do that ?
i have add this part in my code to get products :
columns.ForeignKey(od => od.ProductID, (System.Collections.IEnumerable)ViewData["Products"], "ProductID", "ProductName");and i can get them in dropdownlist when edit mode is inline - but when mode is popup i can't get the dropdownlist >> please see attached images ?