C# adding a text file to a Form

Question

Hello, Its my first time taking a C# course. I'm adding a text file to my form. Can someone tell me whats wrong with my code?

 Thanks in advance!

1  using System;

2  using System.Collections.Generic;

3  using System.ComponentModel;

4  using System.Data;

5  using System.Drawing;

6  using System.Linq;

7  using System.Text;

8  using System.Threading.Tasks;

9  using System.Windows.Forms;

10 using System.IO;

11 namespace P6PH

12    {

13          public partial class Form1 : Form

14           {

15 public Form1()

16 {

17 InitializeComponent();

18 }

19

20 private void Form1_Load(object sender, EventArgs e)

21 {

22

23}

24

25 private void button1_Click(object sender, EventArgs e)

26 {

27 try

28 {

29 // Create an array to hold items read from the file.

30 const int SIZE = 5;

31 int[] letters = new int[SIZE];

32

33// Counter variable to use in the loop

34 int index = 0; // Declare a StreamReader variable.

35 StreamReader inputFile;

36

37 // Open the file and get a StreamReader object.

38 inputFile = File.OpenText(“TextFile1.txt”);

39

40 // Read the file’s contents into the array.

41 while (index < letters.Length && !inputFile.EndOfStream)

42 {

43 letters[index] = int.Parse(inputFile.ReadLine());

44 index++;

45 }

46

47 // Close the file.

48 inputFile.Close();

49

50 // Display the array elements in the list box.

51 foreach (int value in letters)

52 {

53 listBox1.Items.Add(value);

54 }

55 }

56 catch (Exception ex)

57 {

58 // Display an error message.

59 MessageBox.Show(ex.Message);

60 }

61}

62

63 private void listBox1_SelectedIndexChanged(object sender, EventArgs e)

64 {

65 }

66 }

67}