Updating an Attribute's Value
using System; using System.Linq; using System.Xml.Linq; using System.Collections.Generic; class Program/*from w w w . j a va 2 s . co 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 XAttribute("experience", "first-time"), new XElement("FirstName", "Joe"), new XElement("LastName", "Ruby")))); Console.WriteLine(System.Environment.NewLine + "Before changing attribute's value:"); Console.WriteLine(xDocument); firstParticipant.Attribute("experience").Value = "beginner"; Console.WriteLine(System.Environment.NewLine + "After changing attribute's value:"); Console.WriteLine(xDocument); } }