Send xml to an external web service. AX2009

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Posted on by bperez

I have an external web service that asks for an XmlNode as a parameter, and returns another XmlNode.

I tried this code:

{ 
    ReferenceWebService.SoapClient soapWS;
    
    xmldocument doc;
    XmlNode xml;
    XmlNode xmlResult;
    ;
    doc = new xmldocument();
    doc.load(_Path   _xmlFile);
    xml = doc.documentElement();
    
    try
    {
        new InteropPermission(InteropKind::ClrInterop).assert();
        
        soapWS = new ReferenciaWebService.SoapClient("endPointName");
        xmlResult = soapWS.recordService(xml); //definition: XmlNode recordService(XmlNode docIn)
        
        CodeAccessPermission::revertAssert();
    }
    catch(Exception)
    {
        [...]
    }
    return xmlResult;
}

When i compile i get this error in the line 17: "The argument '1' is incompatible with the necessary type."

So, How can I send that .xml?

The service works with other functions that ask for other parameters, but with the functions that ask for XmlNode I have this problem.

I also tested the web service outside Ax, for example, the SoapUI application or a console app in c #, created by me, and all functions work correctly.

I have looked for examples of web services from AX, but I didn't find any with xml, nor the same problem in any forum.

Thanks for your help.

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nmaenpaa 101,166 Moderator on at

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I'm quite sure that the external web service doesn't want x++ object of type "XmlNode" as a parameter.

If you succesfully called it from C# and passed XmlNode as parameter then it seems that you should provide such object instead of x++ XmlNode (which are two completely different things). Normally you can't handle such scenario directly from x++, so you should develop a web service client with C#, and use it from x++.

Please check the documentation: docs.microsoft.com/.../cc654149(v=ax.50)

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nmaenpaa 101,166 Moderator on at

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Sorry, actually the doc above doesn't contain instructions for your specific scenario. Anyway the technical requirement is that you need to pass objects in the web service instead of primitive types (I assume the other web services that you mention are using primitive types such as str).

Anyway you need to find a way to create a C# XmlNode object and pass that to the service. Then it will work.

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bperez 5 on at

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Thanks for your answer, I thought about that, but I wanted to check if I was doing something wrong, before I had to leave AX.

Finally what I did, I don't know if I did it in the best way, but it works, I created a library in c # that asks for the path of xml file, it calls the web service and converts the XmlNode response to a string. Then, in AX I reference the .dll and convert the string that returns to xml in X++ so I can work with it.

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