I then try to add a TemplateColumn, EditTemplateColumn and RadDropdownlist programmatically like below:
When I click on the edit button, I error: 'Unable to cast object of type 'Telerik.Web.UI.GridDataItem' to type 'Telerik.Web.UI.GridEditFormItem'.' on this line:
I notice that it never his the InstaniateIn code at all.
Any assistance is greatly appreciated.