Create XDocument from XElement in CSharp

  /*from   w w w  .j  a va 2  s .c  om*/
  
  
     
using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Xml;
using System.Xml.Linq;
public class MainClass {
    public static void Main() {
        XDocument xDocument = new XDocument(
          new XElement("Books",
            new XElement("Book",
              new XAttribute("type", "Author"),
              new XElement("FirstName", "J"),
              new XElement("LastName", "R"))));

        Console.WriteLine(xDocument);
    }
}