File Creation with textboxes in C#.net

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.IO;

namespace WpfApplication1

{

    /// <summary>

    /// Interaction logic for Window2.xaml

    /// </summary>

    public partial class Window2 : Window

    {

        public Window2()

        {

            InitializeComponent();

        }

        StreamWriter sw;

        private void button1_Click(object sender, RoutedEventArgse)

        {

            sw = File.CreateText(@"E:\" + txtname.Text + ".txt");

            sw.WriteLine("\t\t\tCurriculam vitae");

            sw.WriteLine("Name\t:" + txtname.Text);

            sw.WriteLine("Email\t:" + txtemail.Text);

            sw.Close();

            System.Diagnostics.Process.Start("notepad.exe",@"E:\" + txtname.Text + ".txt");

        }

    }

}