XML C# Tutorial

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Xml;
using System.Xml.XPath;
    public class MainClass
    {
        public static void Main()
        {
            XPathDocument doc=new XPathDocument(Application.StartupPath + @"\employees.xml");
            XPathNavigator navigator = doc.CreateNavigator();
            navigator.MoveToRoot();
            navigator.MoveToFirstChild();
            while (navigator.MoveToNext())
            {
                MessageBox.Show(navigator.InnerXml);
                MessageBox.Show(navigator.OuterXml);
            }
        }
    }