In this article I will explain, the process of downloading and installing ASP.Net 2.0 AJAX Extension 1.0.
Download the ASP.Net 2.0 AJAX Extension 1.0
Please use the following link to download the ASP.Net 2.0 AJAX Extension 1.0 setup file.
Installing AjaxControlToolkit 1.0
1. Once downloaded, navigate to the Folder (Directory).
2. Then Right click on the ASPAJAXExtSetup.msi setup file and click Install to start the installation wizard.
3. In the setup wizard and click on Next.
4. Then, check the License Agreement CheckBox and click on Next.
5. In the next dialog, click on Install.
6. Finally, click on Finish to complete the setup.
After successful installation, you will need open Visual Studio and add the System.Web.Extensions reference from Extensions tab of the Reference Manager dialog window.