Calling WCF service asynchronously

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How to call WCF service method asynchronously? That means I need to call a service method which takes, let's say e.g, 20 seconds. I want to call that method and let the client to do some other tasks i.e, I should not wait for the method to complete. In simple words, the progress bar in browser should not appear for 20 seconds. The browser should allow me to do other tasks in the page. How can I incorporate this?

Posted 22-Nov-10 23:56pm

Raghavendra HG

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Keith Barrow · Answer 1 · 2010-11-23T00:45:00

When you generate the proxy classes it genrates aysnc methods for you (assuming you haven't switched this behaviour off). Suppose you have an Add method on the service, the client will have both Add and AddAsync methods, and an AddCompleted event that takes a AddCompletedEventArgs to handle the response.

MSDN clickety here[^]