Whattrigger will fire initially by using update panel?
Some of the google examples you cite don't use xml at all. Do I have to use xml and/or xslt in an ajax application?
Is it compulsory to have script manager on the page when you are using any control of ajax control tool kit?
How many types of ready states in Ajax?
Should I use an http get or post for my ajax calls?
What is AJAX Control Extender Toolkit?
Why did ajax kill himself?
Why do we need ajax?
Diff b/w javascript and jquery
What is the work of the conformonformsubmit property in the confirmbuttonextender control? : asp.net ajax
What is the syntax to create ajax objects? : asp.net ajax
What are the common problems (errors) you get while implementing AJAX?
What are the security issues with ajax?