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ASP.NET AJAX performance

Hi, Some of my friends have told me that ASP.NET AJAX performance is really bad, and it's better to write javascripts from the scratch. Is there anyone who really knows something about this subject and has compared pure Javascript AJAX to ASP.NET AJAX? Please don't write your "Opinions"...

Posted to ASP.NET AJAX Discussion and Suggestions (Forum) by maroonedsia on 07-28-2008, 12:00 AM
Filed under: javascript, asp.net ajax, Performance
Rendering scripts at the end of the page/Improving page-load times.

Today it is not possible to make asp.net render the script tags at the end of the page. A lof of the posts on this forum suggest using the RenderStartupScript method to do this. This does not solve the fact that every scripts registered by the asp.net framework itself is rendered right below the form...

Posted to Getting Started (Forum) by einarq on 11-08-2007, 12:00 AM
Filed under: performance, javascript, Asp.Net 2.0
AJAX performance improvement/fix. How to submit?

We've made a significant performance improvement to the serialization of Javascript objects containing XML (or other special strings requiring escaping). We have included this improvement in our own upcoming application, but we'd like to have this incorporated into the actual AJAX.NET framework...

Posted to ASP.NET AJAX Discussion and Suggestions (Forum) by Greg.Hansen on 10-05-2007, 12:00 AM
Filed under: AJAX .ASP.Net 2.0, javascript, Performance
better performance: validators or Javascript?

Hi, I have about 40+ controls on a page, and all are required. I need to make a decision: 1. To add reqd. field validator to each of them and let .Net take care of validation 2. To write javascript function which will check if each of the control has a value or not, based on that return flag to Submit...

Posted to Client Side Web Development (Forum) by sdekha76 on 10-02-2007, 12:00 AM
Filed under: required field validator, javascript, performance