We recently received the latest version of Visual Studio 2008 and Chris and I decided to upgrade our current Pair Programming Project to Asp.net 3.5. The transition went perfectly, no big code changes, until we noticed a massive flash every time the page was updated. Now UpdatePanel’s are supposed to keep this from happening, however it had seemed the entire point of using ASP.NET’s Ajax framework was busted.
Our code looked a little bit like this: