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Dynamics 365 Community / Forums / Microsoft Dynamics NAV (Archived) / Min Occurs Element Pro...
Microsoft Dynamics NAV (Archived)

Min Occurs Element Property in XMLport

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Posted on by BlackPanther 10

I would like my XMLport to only show elements if a value is required. There is an element property called Min Occurs, and its value can be set to Zero. Unfortunately when I have set the property value to zero for an element, on running the XMLport, the exported XML records still show the element, even when there is no value. Have I misunderstood the purpose of this element property?

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  • Verified answer
    Stefano Demiliani Profile Picture
    Stefano Demiliani 37,166 Most Valuable Professional on at

    The MinOccurrs and MaxOccurs properties of an element control how NAV parses an XML document. If it's MinOccurs = 0 and MaxOccurs =1 then a valid XML document can contain the element 0 or 1 times only in the correct structure of the document.

    Unfortunately when exporting an XML, NAV doesn't handle "nulls" and MinOccours is not validated. MinOccours works only for import.

    My advice is to add post processing process that removes the nodes from xml file, something like:

    xmlDoc := xmlDoc.XmlDocument;

    xmlDoc.Load(FileName);

    XMLNodeList := xmlDoc.SelectNodes('//YourEmptyNode[. = ""]');

    FOR i := 0 TO XMLNodeList.Count - 1 DO BEGIN

      XMLNode := XMLNodeList.Item(i);

      XMLNode.ParentNode().RemoveChild(XMLNode);

    END;

    xmlDoc.Save(FileName);

    where YourEmptyNodeis the name of your empty note.

  • BlackPanther Profile Picture
    BlackPanther 10 on at

    Thank you for answering my question. I will give your suggested work around a go.

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