I've seen this problem a few times now, from a few different developers... including myself. I figure it must have plagued someone else out there too, so hopefully if you read this, if you ever encounter this problem, it wont cost you hours. It's a hell...
All about the little-known LoadScriptsBeforeUI setting on the ASP.NET AJAX ScriptManager control, and how it can be used to increase your page load time....
Why you are probably not using AutoCompleteExtender correctly....
How to work with ADO.NET objects returned from WebServices in ASP.NET AJAX....
The release of the AJAX RC today is going to get plenty of press coverage. I thought I'd shine the light a little bit on the lesser known Futures CTP, which has also been released today :) Download it here . Note that although the RC's namespace...
Enable the AutoCompleteExtender to work without needing a webservice!...