jQuery and AJAX
The jQuery AJAX methods are key components of building applications that are perceived as responsive to the user’s eyes. A lot of your code has to execute on the server to get data, save results, and more. Typically, this means page refresh. With AJAX, you do not need to refresh an entire page on post. Instead, it can simply update a portion of the page much like a native application.
Writing and calling services are covered in Chapter 19 ...