How To: Create an ASP.NET AJAX Toolkit Extender to Extend the GridView

This article provides a step by step guide to creating a custom ASP.NET AJAX extender control based upon functionality in the ASP.NET AJAX Toolkit. The tutorial covers creating the JavaScript file, embedding it in an assembly, and referencing it from a server-side control. The end result is an extender control that can freeze a GridView header and allow for scrolling of rows.