XML Reader

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;

namespace XMLReader1
	{
	public partial class Form1 : Form
		{
		public Form1()
			{
			InitializeComponent();
			}

		private void Form1_Load(object sender, EventArgs e)
			{

			string xmlString = "04228911.xml";
			XmlDocument doc = new XmlDocument();
			doc.Load(@xmlString);

			//Create an XmlNamespaceManager for resolving namespaces.
			XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable);
			nsmgr.AddNamespace("O", "mti_ocrff31_schema.XML");

			//Select the node with the matching attribute value.
			XmlNode CPFField;
			XmlElement root = doc.DocumentElement;
			CPFField = root.SelectSingleNode("descendant::O:Zone[@O:Number='1']", nsmgr);


			OutputTextBlock.Text = CPFField.OuterXml;
			//OutputTextBlock.Text = CPFField.LastChild.InnerText.ToString();

			}
		}
	}