Imports System
Imports System.IO
Imports System.Xml
public class Sample
public shared sub Main()
Dim doc as XmlDocument = new XmlDocument()
doc.Load("booksort.xml")
Dim book as XmlNode
Dim root as XmlNode = doc.DocumentElement
book=root.SelectSingleNode("descendant::book[author/last-name='Austen']")
book.LastChild.InnerText="15.95"
doc.Save(Console.Out)
end sub
end class