Why use AJAX

	The types of functionality shown here have always been possible on web pages by writing a lot of custom JavaScript. This is an expensive and error prone process. ASP.Net AJAX classes reduce cost and time and increase reliability.

	Non- AJAX...	AJAX...
This picture example shows the advantage of AJAX in the simplest possible way. Select different pictures in the two listboxes.

This product configurator, connected to a database via a Web Method, populates configuration choices as the selection process evolves. AJAX makes it a smooth process that eliminates the need for page postbacks.

Product Configuration Demonstration

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