private void btnLogin_Click(object sender, EventArgs e)
        {
            string thefile = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + Path.DirectorySeparatorChar + "users.txt";

            fileExists = File.Exists(thefile);
            using (TextReader tr = File.OpenText(thefile))
            {
                string   strLine   = string.Empty;
                string[] arrColumn = null;
                string[,] arrColumns = new string[3, 3];
                bool booLogin  = false;
                int  randomInt = 0;

                while ((strLine = tr.ReadLine()) != null)
                {
                    arrColumn = strLine.Split(',');
                    for (int x = 0; x <= 2; x++)
                    {
                        arrColumns[randomInt, x] = arrColumn[x];
                    }
                    randomInt++;
                }
                int lengthA = arrColumns.Length;
                for (int x = 0; x <= 2; x++)
                {
                    if (usrName.Text == arrColumns[x, 0] && usrPswd.Text == arrColumns[x, 1])
                    {
                        booLogin = true;
                        if (MessageBox.Show("Continue", "Cancel", MessageBoxButtons.YesNo) == DialogResult.Yes)
                        {
                            ConfirmPosition form = new ConfirmPosition();
                            form.ShowDialog();
                        }
                        else
                        {
                            MessageBox.Show("You pressed cancel, you failed");
                        }
                    }
                }
                if (booLogin == false)
                {
                    MessageBox.Show("User name or Password Was Wrong");
                }
            }
        }
        private void btnLogin_Click(object sender, EventArgs e)
        {
            string thefile = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + Path.DirectorySeparatorChar + "users.txt";
            fileExists = File.Exists(thefile);
            using (TextReader tr = File.OpenText(thefile))
            {

                string strLine = string.Empty;
                string[] arrColumn = null;
                string[,] arrColumns = new string[3,3];
                bool booLogin = false;
                int randomInt = 0;

                while ((strLine = tr.ReadLine()) != null)
                {

                    arrColumn = strLine.Split(',');
                    for (int x = 0; x <= 2; x++) { arrColumns[randomInt, x] = arrColumn[x]; }
                    randomInt++;
                }
                int lengthA = arrColumns.Length;
                for (int x = 0; x <= 2; x++)
                {
                           if (usrName.Text == arrColumns[x,0] && usrPswd.Text == arrColumns[x,1])
                             {
                                 booLogin = true;
                                 if (MessageBox.Show("Continue", "Cancel", MessageBoxButtons.YesNo) == DialogResult.Yes)
                                 {
                                     ConfirmPosition form = new ConfirmPosition();
                                     form.ShowDialog();

                                 }
                                 else
                                 {
                                     MessageBox.Show("You pressed cancel, you failed");
                                 }
                             }

                         }
                            if (booLogin == false)
                         {
                             MessageBox.Show("User name or Password Was Wrong");

                         }
                      }
        }