Parameters

context

An System.Web.HttpContext object that provides references to intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests.

cb

The AsyncCallback to call when the asynchronous method call is complete. If cb is null, the delegate is not called.

extraData

Any extra data needed to process the request.

Returns

An IAsyncResult that contains information about the status of the process.

Remarks

Requirements