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();
            XPathNavigator result=navigator.SelectSingleNode(@"employees/employee[@employeeid=1]");
            result.MoveToFirstChild();
            do
            {
                switch (result.Name)
                {
                    case "firstname":
                        Console.WriteLine(result.Value);
                        break;
                    case "lastname":
                        Console.WriteLine(result.Value);
                        break;
                    case "homephone":
                        Console.WriteLine(result.Value);
                        break;
                    case "notes":
                        Console.WriteLine(result.Value);
                        break;
                }
                
            }
            while (result.MoveToNext());
        }
    }