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add a function to web service

Posted on 2011-03-23
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Last Modified: 2012-05-11
I have a web service .asmx file in my project. Now I need to another function. May I just add the one more function in the web service CodeBehind cs file? Can I just add it by

    [WebMethod]
    public int SaveBinraryData(binrary imagedata)
    {
        ... ...
        ... ...
    }
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Question by:minglelinch
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Carl Tawn earned 500 total points
ID: 35198658
Yes. Of course any consumers of your service will need to re-import the WSDL if they want to use the new method.
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by:minglelinch
ID: 35198702
My first time to web service. How to do this process? (re-import the WSDL if they want to use the new method)

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Expert Comment

by:Carl Tawn
ID: 35198759
In Visual Studio, you just need to right-click on the "Web Reference" in the solution explorer and choose "Update Web Reference". That will the trigger Visual Studio into regenerating the proxy class from the WSDL of the service.
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by:minglelinch
ID: 35199073
I got it. Thanks a lot !
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by:minglelinch
ID: 35201192
One further question please. Some functions in asmx ahead with  [WebMethod], while some ahead with [WebMethod(EnableSession=true)], and some with nothing. Why? EnableSession=true is it used when making DB updates? Thanks.
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Expert Comment

by:Carl Tawn
ID: 35201214
No, it means that that particular method is able to store state information that can be used on subsequent requests from the same caller.
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by:minglelinch
ID: 35220172
Great answer.
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