Really interesting read on update panels and web methods/services

[szlamany]

I was looking through a thread from April 2009 and came across this post

Autopostback checkboxes (or anything autopostback) even on an update panel aren't a good idea IMO. If you use validators, you won't need to post back to see the check.
Unfortunately, there is no validator to force a checkbox check but it's simple to write one using a custom validator. There are plenty of examples if you search.

Just a word of warning, but update panels aren't the magic they're made out to be.
http://msdn.microsoft.com/en-us/magazine/cc163413.aspx

The link to the MSDN article is quite a good read.

Do you all use a lot of web methods and services to avoid update panels?