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.IO;
    public class MainClass
    {
        public static void Main()
        {
            try
            {
                XmlDocument doc = new XmlDocument();
                doc.Load("");
//                FileStream stream = new FileStream(textBox1.Text, FileMode.Open);
  //              doc.Load(stream);
    //            stream.Close();
      //          doc.LoadXml(textBox1.Text);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
    }