... 109Microsoft AJAX Library, 31 –54overview, 26–27programming JavaScript with, 31 accessing server resources, 49– 53 AJAX applications, 32 34 , 40–41 ASP. NET 2.0 AJAX Extension 1.0, 32 classes, 41– 43 inheritance, ... Global Assembly Cache(GAC), 32 Microsoft Virtual Earth (VE). See VirtualEarth (VE) SDKMicrosoftAjax.js, 34 MicrosoftAjaxTimer.js, 34 MicrosoftAjaxWebForms.js, 34 Microsoft.XMLHTTP ActiveX Object, ... about the Foundations of ASP. NET AJAX, including a tour of some of the basic principles in devel-oping AJAX- style applications and the unique and powerful approach to this that ASP. NET AJAX gives...