// Loads new transaction entry form for a new transaction, and closes transaction complete form.
        private void btnNewTransaction_Click(object sender, EventArgs e)
        {
            Form frmTransactionEntry = new frmTransactionEntry();

            frmTransactionEntry.Show();
            Close();
        }
 // Validates inputs are valid and checks if the user input matches what is on record.
 // Closes form if number of login attempts exceeds 3.
 private void btnVerifyAcc_Click(object sender, EventArgs e)
 {
     try
     {
         string  customerName = txtVerifyName.Text;
         decimal customerPin  = Convert.ToDecimal(txtVerifyPin.Text);
         if (GlobalData.ATMBank.maxAttemptsYet(loginAttempts))
         {
             if (customerName.Equals(GlobalData.customer.getCustomerName()) && customerPin == Convert.ToInt32(GlobalData.customer.getCustomerPin()))
             {
                 Form frmTransactionEntry = new frmTransactionEntry();
                 frmTransactionEntry.Show();
                 Close();
             }
             else
             {
                 if (!customerName.Equals(GlobalData.customer.getCustomerName()))
                 {
                     MessageBox.Show("Please enter the correct name.", "Error");
                     txtVerifyName.Text = "";
                     customerName       = "";
                     txtVerifyName.Focus();
                     loginAttempts++;
                 }
                 else if (!customerPin.Equals(GlobalData.customer.getCustomerPin()))
                 {
                     MessageBox.Show("Please enter the correct PIN number.", "Error");
                     txtVerifyPin.Text = "";
                     customerPin       = 0;
                     txtVerifyPin.Focus();
                     loginAttempts++;
                 }
             }
         }
         else
         {
             MessageBox.Show("You have reached the maximum login attempts.", "Account Locked");
             Application.Exit();
         }
     }
     catch
     {
         MessageBox.Show("Please enter valid verification information.", "Error");
         txtVerifyPin.Text  = "";
         txtVerifyName.Text = "";
         txtVerifyName.Focus();
     }
 }