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Necessary or optional to close a webservice client connection

Posted on 2012-03-13
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Last Modified: 2012-03-14
If I have created a web service client that makes a call to a method exposed by a web service, do I need to perform some sort of close when I am finished using the object?

  ConsoleApplicationTomTest.ServiceReference1.Service1Client sc = new ServiceReference1.Service1Client();

            string a = sc.GetData(1);

            Console.WriteLine(a);

            Console.ReadLine();

///////////  sc.CloseClientConnection(  )   ??????????
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Question by:Tom Knowlton
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lojk earned 2000 total points
ID: 37718100
Short answer - yes.

If you access the URL for the service in the browser and read the sample there (xml-ws) or follow the instructions for creating a client code block from the wsdl (wcf) you will see the example does indeed close the connection.

if you don't you'll rapidly find that the timeout interval of the client connection at the server side prevents the automatic disposal of the connection in time to free up enough connections and you will hit the limit (partially stipulated by your xmlws/wcf configuration file) and start receiving error messages about connection limits.

Try instantiating a few hundred instances of your connection/test method call and you will see what I mean - always be lean, create as few instances as possible and dispose of them properly and promptly. This goes for all instances of classes not just wcf/xml-ws clients.
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by:lojk
ID: 37718144
Return cross posted link to related question FYI :-)

http://www.experts-exchange.com/Programming/Languages/.NET/Q_27630729.html
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by:Tom Knowlton
ID: 37720329
Thank you.
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