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Editorial Team
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Asked: 2026-06-12T02:20:57+00:00

I have a xml document with a namespaceURI set for the root element. I

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I have a xml document with a namespaceURI set for the root element. I want to add new elements with this ns. I wrote this code:

XmlDocument doc=new XmlDocument();
doc.LoadXml("<w:wordDocument xmlns:w="http://schemas.microsoft.com/office/word/2003/wordml"></w:wordDocument>");
XmlElement child=doc.CreateElement("w:body");
doc.DocumentElement.AppendChild(child);
//NamespaceURI remains empty
Assert.AreEqual(child.NamespaceURI,"http://schemas.microsoft.com/office/word/2003/wordml");

Setting the prefix doesn’t effect the namespaceURI. And it serializes

<w:wordDocument xmlns:w="http://schemas.microsoft.com/office/word/2003/wordml">
    <body></body>
</w:wordDocument>

Instead of

<w:body></w:body>

what can i do? Thanks for your help.

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1 Answer

  1. Editorial Team
    [Test]
public void XmlSample()
{
    const string nameSpaceUri = @"http://schemas.microsoft.com/office/word/2003/wordml";
    const string prefix = "w";
    XmlDocument xmlDocument = new XmlDocument();
    XmlNode wordDocument = xmlDocument.CreateElement(prefix, "wordDocument", nameSpaceUri);
    XmlElement body = xmlDocument.CreateElement(prefix,"body",nameSpaceUri);
    xmlDocument.AppendChild(wordDocument);
    wordDocument.AppendChild(body);
    Assert.AreEqual(body.Name, "w:body");
}
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