how to make the asynchronus methods in wcf

Question

hi i am developing the method in wcf as asynchronous but they can't work i am use [OperationContract] int add(int xint y); [OperationContract(AsyncPattern = true)] IAsyncResult Beginadd(int xint yAsyncCallback callbackobject state); int Endadd(int x int y IAsyncResult result); but it will not work if you have any resources plz provide me any link also

Muralidharan Deenathayalan · Answer

http://msdn.microsoft.com/en-us/library/ms731177(v=VS.90).aspx http://www.netframeworkdev.com/windows-communication-foundation/how-to-design-asynchronous-wcf-service-61419.shtml http://blogs.msdn.com/b/wenlong/archive/2009/02/09/scale-wcf-application-better-with-asynchronous-programming.aspx http://www.dotnetconsult.co.uk/weblog2/PermaLinkguid83b06d32-1fa8-4757-b062-c2e1766a5525.aspx Hope this helps.