ASP.NET 2.0 Asynchronous Callbacks

Microsoft has made it easier than ever to implement Ajax with controls. Developers can now implement Ajax interfaces with any control using little code. Dont forget to register your event as a client-side callback [ control or page must implemnt ICallbackEventHandler] or check to see if a browser is allowed to use client-side postbacks [SupportsClientCallbacks property]. The links below give a good overview of the technology and .NET 2.0 out-of-the-box support. Also be sure to add the required fucntion to test if there is an error:

 

function ClientCallbackError(result, context){
      alert(result);
   }

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