Adding attribute

using System;//  j a va2s.c o m
using System.Data;
using System.Linq;
using System.Text;
using System.Xml;
using System.Xml.Linq;
using System.IO;


public class MainClass{

   public static void Main(string[] args){   
      XDocument NewDoc = new XDocument(
            new XDeclaration("1.0", "utf-8", "yes"),
            new XElement("Root", "MyDoc"));    
      // Add an attribute to the root node.
      NewDoc.Element("Root").Add(new XAttribute("MyAttr", "Attribute Value"));
   }
}