Source Code: Ajax Beta 1 Call Web Service With JavaScript
The Visual Basic source code provided by the Ajax v1.0 Beta article at How To: Call a Web Service from JavaScript is actually written with C#. The web service (CallWebService.asmx) is written in C#, the web page (CallWebService.aspx) includes a method 'EchoString' that is written in C#.
The source code provided with this post is a Visual Basic version.
Click the link above to download Visual Basic source code in a Visual Studio 2005 solution which demonstrates How to call a Web Service from JavaScript.