private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            string      id  = (dataGridView1.CurrentRow.Cells[0].FormattedValue.ToString());
            MemPayments pro = new MemPayments().getAllPaymentsId(id);

            if (pro != null)
            {
                textpaymentno.Text   = pro._PaymentID;
                textname.Text        = pro._Fn;
                textfullpayment.Text = pro._Total.ToString();
            }
            else
            {
                MessageBox.Show("No Such Item");
            }
        }
 private void textBox7_KeyPress(object sender, KeyPressEventArgs e)
 {
     if (e.KeyChar == Convert.ToChar(Keys.Return))
     {
         MemPayments pro = new MemPayments().getAllPaymentsId(textpaymentno.Text);
         if (pro != null)
         {
             textpaymentno.Text   = pro._PaymentID;
             textname.Text        = pro._Fn;
             textfullpayment.Text = pro._Total.ToString();
         }
         else
         {
             MessageBox.Show("Incorrect Payments ID");
             textpaymentno.Clear();
         }
     }
 }