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The ASP.NET Ajax Library is a free JavaScript library that you can use to build database driven web applications that execute entirely within the web browser. The ASP.NET Ajax Library works with all modern browsers including Microsoft Internet Explorer, Mozilla Firefox, Apple Safari, Opera, and Google Chrome.



ASP.NET Ajax Downloads

  • Download the latest release of the ASP.NET Ajax Library from CodePlex. The ASP.NET Ajax Library has everything you need to build an Ajax application. The ASP.NET Ajax Library includes the Ajax Control Toolkit.


  • Download the ASP.NET Ajax Library Source Code from CodePlex. We recommend that you do not download the source code unless you need to extend the ASP.NET Ajax Library. Note that before you can build library, you must install the Ajax Minifier.



Additional Downloads

  • Download the Microsoft Ajax Minifier 4.0. The Ajax Minifier is a command-line tool and a Visual Studio Build Task that enables you to minify JavaScript and Cascading Style Sheet files. This enables your websites to run faster by making your scripts as small as possible. You must download the Microsoft Ajax Minifier before you build the ASP.NET Ajax Library.

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