ASP.NET 2.0 DropDownList EnableViewState
In ASP.NET 2.0 the DropDownList EnableViewState doesn't work the same as other controls like GridView . Fortunately Anson Goldade created one that does. You can learn how here: http://www.tech-archive.net/Archive/DotNet/microsoft.public.dotnet.framework.aspnet.webcontrols/2006-02/msg00149.html