I know it is a bit late to answer that post, but I had the same question a few days ago. I believe that we can try tabstrip templates. With template you can include server control in each tab. Read the link below
http://demos.telerik.com/aspnet-ajax/tabstrip/examples/functionality/server-templates/defaultcs.aspx
and
http://www.telerik.com/help/aspnet-ajax/tabstrip-templates-overview.html