How do I add an element from one XML document into another XML document?

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I am having trouble adding CitationDocumentBatch element that is in this object objXMLInputDoc. I want to add it to this object objXMLCopyOfOriginalInputDoc. It should be added as a child of <soapenv:body> inside objXMLCopyOfOriginalInputDoc.

objXMLInputDoc object contains the following

XML

<CitationDocumentBatch schemaVersion="3:5" xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.courts.state.mn.us/CourtXML/3 file:///H:/Deve/Schemas/CourtXML/CitationDocument_3_5.xsd">
	<CitationDocument>
		<Citation>
	</CitationDocument>
</CitationDocumentBatch>

objXMLCopyOfOriginalInputDoc contains the following

XML

<?xml version="1.0" encoding="utf-8"?>
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing">
	<soap:Header xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
	</soap:Header>
	<soapenv:Body>
	<!--Add or insert CitationDocumentBatch element here-->
	</soapenv:Body>
</soapenv:Envelope>

The result I want would be in objXMLCopyOfOriginalInputDoc which after I insert/add CitationDocumentBatch from objXMLInputDoc will look like this

XML

<?xml version="1.0" encoding="utf-8"?>
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing">
	<soap:Header xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
	</soap:Header>
	<soapenv:Body>
	<CitationDocumentBatch schemaVersion="3:5" xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.courts.state.mn.us/CourtXML/3 file:///H:/Deve/Schemas/CourtXML/CitationDocument_3_5.xsd">
	<CitationDocument>
		<Citation>
	</CitationDocument>
</CitationDocumentBatch>
	</soapenv:Body>
</soapenv:Envelope>

I am trying this in vb.net but I am getting an exception "The node to be inserted is from a different document context."
[code]objXMLCopyOfOriginalInputDoc.DocumentElement.SelectSingleNode("soap:Body", objXMLNameSpaceManager).AppendChild(objXMLInputDoc.SelectSingleNode("//CitationDocumentBatch"))

Can someone help me with this? It might be very easy but I am not able to figure it out.

What I have tried:

I have tired this but I am getting an exception

VB

objXMLCopyOfOriginalInputDoc.DocumentElement.SelectSingleNode("soap:Body", objXMLNameSpaceManager).AppendChild(objXMLInputDoc.SelectSingleNode("//CitationDocumentBatch"))

Posted 2-Aug-18 10:23am

Member 11403304

Updated 3-Aug-18 5:53am

v3

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Comments

Richard MacCutchan 3-Aug-18 4:47am

"I am getting an exception "Object reference not set to an instance of an object.""
You need to use your debugger to find out why that reference variable is null instead of a valid reference.

Member 11403304 3-Aug-18 9:37am

Actually the exception is "The node to be inserted is from a different document context"

2 solutions

Solution 2

I no longer need help. I used "ImportNode" method for XmlDocument

VB

objXMLCopyOfOriginalInputDoc.DocumentElement.SelectSingleNode("soap:Body", objXMLNameSpaceManager).AppendChild(objXMLCopyOfOriginalInputDoc.ImportNode(objXMLInputDoc.SelectSingleNode("//CitationDocumentBatch"), True))

Posted 3-Aug-18 5:53am

Member 11403304

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Keviniano Gayo · Accepted Answer · 2018-08-03T03:56:00

Solution 1

You need to import the node.

C#

XmlNode node = objXMLInputDoc.SelectSingleNode("//CitationDocumentBatch");

XmlNode copiedNode = objXMLCopyOfOriginalInputDoc.OwnerDocument.ImportNode(node, true); //needs to import node, true = if you want deep copy


objXMLCopyOfOriginalInputDoc.DocumentElement.SelectSingleNode("soap:Body", objXMLNameSpaceManager).AppendChild(copiedNode);

Posted 3-Aug-18 3:56am

Keviniano Gayo

Updated 3-Aug-18 5:36am

v3

Comments

Member 11403304 3-Aug-18 10:28am

what is this for var node =? When I convert it to vb.net Dim node As var = I get an error for var that 'Type var is not defined.'

Keviniano Gayo 3-Aug-18 11:35am

XmlNode node...