Client Callbacks in ASP.NET Whidbey - ExtremeExperts
Client Callbacks is a new feature in ASP.NET Whidbey(2.0). It allows calling server side events asynchronously, without causing postback. It is possible to do asynchronous call using XMLHttp Post in ASP.NET 1.0 itself, but now in ASP.NET 2.0 a clean framework is available to do this. This article describes how Client Callbacks works and it also explores how this Client Callback framework has been implemented in ASP.NET 2.0.
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