Re: WCF Service return null

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January 30, 2010 at 4:13 AM #24160
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    Hi Junaid,

    Do you have the WCF Tracing turned on? This issue can be difficult to debug without enabling tracing. You can follow this article on MSDN for enabling tracing http://msdn.microsoft.com/en-us/library/cc185303(BTS.10).aspx. Make sure you dont enable it on production servers and only the development servers 🙂

    Next I would like to suggest to use complex types instead of primitive types like strings, int etc. The issue would probably go away…
    You might find this thread useful on MSDN. The user has the same issue with the string and when he uses the typed messages he gets the response message. I doubt it has something to do with serialization and I dont agree with this reason which he is giving.
    http://social.msdn.microsoft.com/Forums/en/biztalkgeneral/thread/7e9adc00-d1ab-4a71-835f-4879600fcf02

    Enable the tracing and see what you get. The configurations and hosting of the service is fine.

    Thanks
    Abdul Rafay
    http://abdulrafaysbiztalk.wordpress.com
    MVP & MCTS BizTalk Server