File Creation

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.Navigation;

using System.Windows.Shapes;

using System.IO;

namespace WpfApplication1

{

    /// <summary>

    /// Interaction logic for Window1.xaml

    /// </summary>

    public partial class Window1 : Window

    {

        public Window1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, RoutedEventArgs e)

        {

            StreamWriter sw;

            sw = File.CreateText(@"E:\text.txt");

            sw.WriteLine("sunitha");

            sw.WriteLine("sunichand2000.blogspot.com");

            sw.Close();

            System.Diagnostics.Process.Start("notepad", @"E:\text.txt");

        }

    }

}