http://blogs.msdn.com/irenak/archive/2007/03/19/sysk-309-how-to-cancel-a-web-service-request.aspxAJAX makes asynchronous invocation of web service methods very easy. For example, the line below instantiates a web service proxy (MyService) and calls a method (MethodX): var request = new MyService().MethodX(param1, param2, OnRequestComplete, OnError);en-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/irenak/archive/2007/03/19/sysk-309-how-to-cancel-a-web-service-request.aspx#8955946Wed, 17 Sep 2008 21:16:44 GMT91d46819-8472-40ad-a661-2c78acb4018c:8955946Keith<p>The below will allow to suppress/change the onFail for a userInitiated abort</p> <p>if (request != null) { request._executor._webRequest.completed = someOtherFunction; request.get_executor().abort(); &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}</p>