This document already has a 'DocumentElement' node. Error

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Posted on by PriyaDutta

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"Hi all,

I am trying to generate one xml file. I am having trouble to create more than one document header node. Please see below how it needs to be generated.

<?xml version="1.0" encoding="utf-8"?>

<CstmrCdtTrfInitn>

<GrpHdr>

I have written the below code , and getting error "This document already has a 'DocumentElement' node." in CstmrCdtTrfInitn and GrpHdr node.

xmlDoc = XMLDocument::newBlank();

// Create first line containing version info
rootNode = xmlDoc.documentElement();


docNode = xmlDoc.createElement2('Document',"urn:iso:std:iso:20022:tech:xsd:pain.001.001.03");
docNode.SetAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
xmlDoc.appendChild(docNode);


firstnode = xmlDoc.createElement('CstmrCdtTrfInitn');
xmlDoc.appendChild(firstnode);
secondnode = xmlDoc.createElement('GrpHdr');
NodeName =  xmlDoc.appendChild(secondnode);
xmlElement = xmlDoc.createElement('MsgId');
NodeMsg = NodeName.appendChild(xmlElement);
xmlText =xmlDoc.createTextNode(numseq);
NodeMsg.appendChild(xmlText);

Please help.

Thanks,

Priya

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Martin Dráb 236,025 Most Valuable Professional on at

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This document already has a 'DocumentElement' node. Error

For reference, the question of the namespace is discussed in Extra namespace coming in document node.

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Martin Dráb 236,025 Most Valuable Professional on at

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This document already has a 'DocumentElement' node. Error

It's good to hear that the problem has been resolved. Please don't forget to mark the helpful reply as the answer.

Regarding your problem with xmlns, you get an empty namespace because you didn't provide any. You seem to want the same namespace as for Document element. If you need more help with it, please create a new thread, because it's not related to the topic of this thread (This document already has a 'DocumentElement' node. Error).

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PriyaDutta 333 on at

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This document already has a 'DocumentElement' node. Error

Hi Martin,

Thanks for your suggestion.

It is working now but there is one issue . Please see below .

Not sure why is this coming. Can you please suggest . It should be as below

<CstmrCdtTrfInitn>

Please see the code for reference.

rootNode = xmlDoc.documentElement(); docNode = xmlDoc.createElement2('Document',"urn:iso:std:iso:20022:tech:xsd:pain.001.001.03"); docNode.SetAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance"); xmlDoc.appendChild(docNode); xmlElement = xmlDoc.createElement('CstmrCdtTrfInitn'); CstmrCdtTrfInitnNode = docNode.appendChild(xmlElement); //todo xmlElement = xmlDoc.createElement('GrpHdr');

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Martin Dráb 236,025 Most Valuable Professional on at

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This document already has a 'DocumentElement' node. Error

You're wrong in thinking that CstmrCdtTrfInitn and GrpHdr are on the same level as Document. The actual structure of your document is following:
<?xml version="1.0" encoding="utf-8"?> <Document xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:iso:std:iso:20022:tech:xsd:pain.001.001.03"> <CstmrCdtTrfInitn> <GrpHdr> <MsgId>BXXX-012751</MsgId> ... </GrpHdr> </CstmrCdtTrfInitn> </Document>

Therefore you need to add firstnode as a child of docNode and secondnode as a child of firstnode, not children of xmlDoc. Note that your code will become much easier to follow if you use descriptive names for your variables.

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