Loading and display XML

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Xml;
using System.IO;
using System.Net;

namespace testing123
{
	/// <summary>
	/// Interaction logic for MainWindow.xaml
	/// </summary>
	public partial class MainWindow : Window
	{ XmlDocument doc;

		public MainWindow()
		{
			InitializeComponent();
            LoadXML();  
            GetTextForControl();
            LoadXML2();


			// Insert code required on object creation below this point.
		}
        private void GetTextForControl()
        {
            foreach (UIElement element in spTest.Children)
            {
                if (element is Button)
                {
                    ((Button)element).Content = FindTextForControl(((Button)element).Name);
                }
                if (element is TextBlock)
                {
                    ((TextBlock)element).Text = FindTextForControl(((TextBlock)element).Name);
                }
            }
        }
private string FindTextForControl(string sName)
 {
  string strText = string.Empty;

  XmlNode node = doc.DocumentElement.SelectSingleNode(string.Format("Control[@Name='{0}']", sName));
  if (node != null)
  {
  strText = node.Attributes["Content"].Value;
  }

  return strText;
 }

 private void LoadXML()
 {
  string strFile = "test.xml";

  try
  {
  doc = new XmlDocument();
  doc.Load(strFile);
  
  
  }
  catch (Exception ex)
  {
  MessageBox.Show(ex.Message);
  }
 }
 private void LoadXML2()
 {

     string strFile = "test1.xml";

     try
     {
         doc = new XmlDocument();
         doc.Load(strFile);


     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message);
     }
 }


        private void Page1_Click(object sender, RoutedEventArgs e)
 {
     LoadXML();
            page1 newapp = new page1();
            newapp.Show();
            this.Close();   
           



        }

        private void Page2_Click(object sender, RoutedEventArgs e)
        {
            LoadXML2();
            page1 newapp = new page1();
            newapp.Show();
            this.Close();
          
        }
	}
}