There are many examples of blatant use Ajax there, but over time, although you will find a great use of Ajax. A great use of the identifier is the availability checker. Why should the user submit the form if you can use Ajax to let them know when they will be available immediately; Heres how you can apply a correct user name comes with MooTools 1.2.
You will see many techniques with both Ajax and there is no evidence that the change to free access to the design of the user experience. Start with the simplest example of the Ajax user experience, the tabs down box.
Ajax is a popular technique used in many ways the World Wide Web. It has become the technology of choice for creating user interfaces fast and responsive. This article gives a brief overview of the characteristics of some of the most common framework for ASP.NET AJAX.