Using ReplaceAll to Change an Element's Subtree
using System; using System.Linq; using System.Xml.Linq; using System.Collections.Generic; class Program/*from ww w .j a v a2 s. c o m*/ { static void Main(string[] args){ // we will use this to store a reference to one of the elements in the XML tree. XElement firstParticipant; XDocument xDocument = new XDocument( new XElement("Books", firstParticipant = new XElement("Book", new XAttribute("type", "Author"), new XElement("FirstName", "Joe"), new XElement("LastName", "Ruby")))); Console.WriteLine(System.Environment.NewLine + "Before updating elements:"); Console.WriteLine(xDocument); firstParticipant.ReplaceAll( new XElement("FirstName", "PHP"), new XElement("LastName", "Python")); Console.WriteLine(System.Environment.NewLine + "After updating elements:"); Console.WriteLine(xDocument); } }