AJAX to the rescue! They have a nifty new tool called ListSearch:  http://ajax.asp.net/ajaxtoolkit/ListSearch/ListSearch.aspx

We've gotten a number of tickets with issues relating to the ASP.NET Extensions.  By far the most common is an error message saying that the assembly can't be loaded.  While I know your first instinct is to think it's not on the server, this has only been the case once ... and then, when installed, the issue was still there ...

Just a copy/paste away from an upgrade!  The kinda sorta fixed the sharepoint problem, but not completely (it at least runs now) http://ajax.asp.net/default.aspx?tabid=47

*** Before you do anything, remember to make backups!!!!! ***  Ok so this was a million times easier than I was expecting -- my site is completely migrated over and I'm running tests on everything.  So far, so good.  I'll go over how I did it (may not be the best way, but it worked).  I have ran into issues with the ...

I'm going to keep an online "journal" of sorts (a blog!?) regarding this migration on my site under code -- AJAX migration.  I have a feeling its going to hurt...sooo I figured everyone could live 2nd hand from my pain.  Cheater link is below. http://rileytech.net/coding/ajax.aspx

Asp.net AJAX v1.0 beta available for download now.  TAKE NOTE -- if you have <ATLAS: tags, you will have to change them out to <ASP: tags!!!!!!  So don't just drag, drop, delete! http://www.microsoft.com/downloads/details.aspx?FamilyId=90E0CCDF-D246-4929-A027-D5EE6F806851&displaylang=en