Save XDocument with XmlWriter in CSharp

/*from   ww w  .  j  a v a 2  s. c o m*/
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;

using System.Linq;
using System.Text;
using System.Data.Linq;
using System.Reflection;
using System.Xml;
using System.Xml.Linq;

class Program {
    static void Main(string[] args) {
        XmlReader reader = XmlReader.Create("Employee.xml");
        XDocument xml = XDocument.Load(reader);
        Console.WriteLine(xml);

        StringWriter sw = new StringWriter();
        XmlWriter w = XmlWriter.Create(sw);
        xml.Save(w);
        w.Close();
        Console.WriteLine(sw.ToString());

    }
}