ASP.NET: Add Template Support to your User Controls
Sep 28, 2006 • ASP.NETHere’s a great article on how to add support for Templates to your ASP.NET User Controls.
http://msdn2.microsoft.com/en-us/library/36574bf6.aspx
Updated 8/17/2007: I changed the link above since the old one I had posted is no longer there.