Sample Download :
CS Version: http://code.msdn.microsoft.com/How-to-use-WCF-to-d5e6b9f7
VB Version: http://code.msdn.microsoft.com/How-to-use-WCF-to-e6da8154
Reverse Ajax is also known as Comet Ajax, Ajax Push, Two-way-web and HTTP server push. This technique persists a HTTP request to allow the server push data to a browser, without requesting the server in an individual time. This sample shows how to use this technique in ASP.NET Ajax.
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