private void textBox6_TextChanged(object sender, EventArgs e) { DataTable dt = pos.barcode(textBox6.Text); if (dt.Rows.Count > 0) { if (int.Parse(dt.Rows[0][6].ToString()) == 0) { MessageBox.Show(dt.Rows[0][2].ToString() + " item is out of order"); } else { /* * product(dt.Rows[0][0].ToString(), Convert.ToDouble(dt.Rows[0][7].ToString())); * frmQuantity quantity = new frmQuantity(this); * quantity.Show(); * */ _pcode = dt.Rows[0][0].ToString(); _price = Double.Parse(dt.Rows[0][7].ToString()); _qty = int.Parse(dt.Rows[0][6].ToString()); addtoCart(); } } }