Pros and cons of MS Ajax vs. jQuery in an ASP.NET MVC app?

Question

Now that RC1 is out I need to decide once and for all whether to use MS Ajax libraries or just jQuery for AJAX requests. The application is a new application. Essentially th

Answer 1

You can (and I do) use both depending on the need. When I want a particular form to be non-javascript friendly AND I'm generating content on the server, I'll use MS AJAX via the AjaxHelper. It builds everything I need on the client side to handle the non-javascript enabled browser. I only need to detect AJAX/non-AJAX in the controller and return a partial or a full view depending. If I need to use AJAX as part of a plugin (say autocomplete), then I'll use jQuery. The point is I use the tool that best suited (easiest to implement) for me. Granted, most of my apps run on an intranet so I'm much less concerned about the size of the downloads.