This document already has a ' DocumentElement ' node

Question

I\'m adding a new node at the end of a file, but I get a write error:

This document already has a \'DocumentElement\' node.

My c

Answer 1

You should use

XmlNode refElem = doc.DocumentElement.LastChild;

and

doc.DocumentElement.InsertAfter(entryElement, refElem);

EDIT

You may also use

doc.DocumentElement.AppendChild(entryElement);

In this case refElem is not needed.