XPathNavigator.PrependChild creates child node at the beginning of child nodes
Imports System
Imports System.Xml
Imports System.Xml.XPath
Public Class MainClass
Public Shared Sub Main()
Dim document As XmlDocument = New XmlDocument()
document.Load("domainBooks.xml")
Dim navigator As XPathNavigator = document.CreateNavigator()
navigator.MoveToChild("bookstore", "http://www.domain.com/books")
navigator.MoveToChild("book", "http://www.domain.com/books")
navigator.PrependChild("<pages>100</pages>")
Console.WriteLine(navigator.OuterXml)
End Sub
End Class