What is the difference between synchronous postback and asynchronous postback? : asp.net ajax
What is asp.net 2.0 ajax?
What are the different controls of asp.net ajax? : asp.net ajax
Is the asp.net ajax control toolkit(ajaxcontroltoolkit.dll) installed in the global assembly cache?
Should I use an http get or post for my ajax calls?
Explain differences between the page execution lifecycle of an asp.net page and an asp.net ajax page?
How does html_ajax compare with the xajax project at sourceforge?
Why do you use ajax?
Does ajax have the same meaning as xmlhttprequest?
When do I use a synchronous versus a asynchronous request?
Does ajax have significant accessibility or browser compatibility limitations? Do ajax applications break the back button? Is ajax compatible with rest? Are there security considerations with ajax dev
What is Script Manager?
How many update panel can be used per page?