Before changing the SelectedValue of a DropDownList, you must first issue the DataBind statement to populate it!
Welcome to my technical blog. Here, I attempt to distill the Microsoft Certified Professional Developer knowledge I have accumulated since first qualifying MCP in 1996. This blog started on 13 September 2007 as an off-shoot from my mixed up personal blog. But it took a shot in the arm from Scott Hanselman's talk at TechEd New Zealand 08 "32 Ways To Make Your Blog Suck Less". I moved it across to Blogger from GeekZone in July 2009.