Asynchronous call to wcf service

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C#

.NET

WCF

.NET4

//Call to the Service

client1.BeginProcessRecords(SessionId, new AsyncCallback(Class.TransactionalDataCallback), client1);

//Call Back

if (result.AsyncState != null)
                {
                    client1 = (SendRawDataServiceReference.ProcessRecordsServiceClient)result.AsyncState;
                    intProcessedRecCount = intProcessedRecCount + 1;
                    client1.EndProcessRecords(result);
                }

Hi All,

I am having a exe program that will invoke a wcf service asynchronously. But when i try to invoke the service from the exe, the service is not getting invoked always and it is not throwing any exception.

While adding the service reference, i have checked the check box to Generate Asynchronous methods

I am not able to figure out what is the issue.

Any hepl is appreciated