Adding dynamic columns to an ASP.NET Gridview

Question

I\'m having a problem dynamically adding columns to a GridView. I need to change the layout -- i.e. the included columns -- based on the value in a DropDownList. When the

Answer 1

I found this earlier today: TemplateField in a GridView doesn't have its ViewState restored when BoundFields are inserted.

Looks like a bug that Microsoft doesn't plan on fixing, so you'll have to try one of the solutions above. I'm having the same problem -- I have some DataBoundFields and some TemplateFields, and after a postback, the TemplateField based columns lose their controls and data.