ASP.NET AJAX 4.0 Preview 4

Microsoft AJAX Team made the AJAX 4..0 Preview 4 release. This Release concentrating on client-side data manipulation with the support for integration with Web services and ADO.NET Data Services.


Note: This release replaces the previous previews 1, 2 and 3 as well as existing AJAX client library for ADO.NET Data Services.

This Release supports the following browsers

  1. Microsoft Internet Explorer 6
  2. Microsoft Internet Explorer 7
  3. Microsoft Internet Explorer 8 RC1
  4. Mozilla Firefox 2 and 3
  5. Apple Safari 3
  6. Opera 9.6

This release enables new client data scenarios for page and component developers to render the JSON Data from the server as HTML in efficient way.

Major Features

  • Client-Side rendering using templates containing template engine for client development.
  • Declarative Instantiation of client components the most convenient way of using is through DataView control.
  • Live Bindings The controls are going to use one-time/one-way binding syntax: {{expression}}.
  • Using the Observer Pattern with JavaScript Objects and Arrays 
  • Data View Control can bind to any Java Script object or array or to any ASP.NET AJAX Component.
    The more about  the preview can be found at

In next post I am going to explain about Data View control.

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