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New Message on BDOTNET
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From: Mrinal
Message 2 in Discussion
Hi , See it's pretty simple with extremely good support in .net frame work , just do
following things : 1. Add web reference to ur web project . 2. A Proxy class will be
Generated . 3. All Methods that u would have declared Web Methods will have 2
accompanying methods Begin<MethodName> & End<MethodName> , which are basically meant
for asynchronous communication . now one u have instantiated web service class ,
instead of calling the method call BeginMethod to instantiate the call to web service
on a separate thread . It's Return type will be IAsyncResult interface , with which
u can do no. of things but best way is as a parameter to begin<Method> pass
AsyncCallBack delegate , which is basically meant for method that needs to be called
when call returns back from method , just declare : AsyncCallBack cb = new
AsyncCallBack(ReturnMethodName); This method's return type will be void and parameter
will be IAsyncResult , now when call returns it will called automatically , so format
for begin method becomes : IAsyncResult Ar = WebServiceObj.BeginMethod(param1,
param2 ,..,paramN, cb,null) Just do this inside ReturnMethodName for getting final
value public void ReturnMethodName(IAsyncResult Ar) { Final Return Value =
WebServiceObject.EndMethodName(Ar) } i hope it's clear , get back to me in case of
any doubts , check this too : http://www.codeproject.com/useritems/async_xmlws.asp
Regards , Mrinal
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