Question

I have the following xml

<book>
   <chapter>this is a sample text</chapter>
</book>

and need to add a namespace to it to be like the one below

<ns0:book xmlns:ns0="http://mybookurl/sample">
   <chapter>this is a sample text</chapter>
</ns0:book>

I tried Greco suggestions but it does not work. Creating a specific XML document using namespaces in C#

would appreciate any help!

Thanks

Answer 1

You can do this by loading the Xml into an XmLDocument then finding each node that you want to add ns0 to and setting that XmlNodes s Prefix property to "ns0".

Something like this:

XmlDocument myDoc = new XmlDocument();
myDoc.LoadXml("my_file.xml");

foreach (XmlNode eachBook in myDoc.GetElementsByTagName("book")) {
    eachBook.Prefix = "ns0";
}

myDoc.Save("my_changed_file.xml");

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