Originally Posted by michaelsowa

Hey I've managed to find the solution...

When I checked the error detail and the full compile script, I noticed that the first error was giving me an error regarding my control, saying it couldn't load it because the name was ambiguous.

After much searching for a solution I stumbled accross it myself.

The controls, when the project is built, are compiled into a dll that sits in the bin (Default) directory of the website (in Inetpub) That is, i suppose if you are makign a web app, like I am. Anyway during the course of development I decided to change my namespace names. Therefore in this directory there was an old dll, and this had an older verison of the siteheader control I am trying to use, and therefore is giving the ambiguous error. I deleted this dll and re built my app and it worked...

Although now I have other troubles! Such is life...

Cheers

Mike