AJAX has been very popular over the past few years, but I've seen it primarily used by developers to reduce page refreshes and to do background data-loading. Both of these uses are great uses of the technology, but one of the features that I like the best is the ability to do Drag-and-Drop functions. Users have gotten accustom to this feature since it has been available in Desktop Applications for what seems like forever, but web developers have steered away from it because of the time/complexity it takes to enable it using older technologies.
Well, Jeff Prosise has written a very short article on how to enable this with ASP.NET AJAX. His a synopsis from Jeff:
Here's a link to his article: Click here
~ Robert Shelton