ASP.NET theme not rendering correctly

Question

I have a small web application which uses themes. The themes work on host, so on preinit, if the host = a, load x theme, if the host = b, load y theme.

In my code this

Answer 1

I encountered this problem recently and wrote a quick blog that explains how to get around it. Just in case someone else is having this problem, you just need to authorize the Theme folder in your web.config.