AJAX (Asynchronous JavaScript and XML), a techniques which is used to allow a webpage to interact with a server without reloading the page by pressing the refresh button or navigating to another page. The data can be extracted from the server while the page is still loaded, and can be displayed on the same web page.
ASP.NET Development Technologies
AJAX Application based websites are faster and has more responsive user interfaces than the traditional website model.
AJAX Technology An snippets
AJAX Utilizes JavaScript and XML which is almost universally independent of platforms
Reducing the response time for better user experience
Ability to provide more desktop-like user interfaces.
Increasing Web Usability of a Web Application to a great extent.