private void btnNEW_Click(object sender, EventArgs e) { clearData(); if (raOR.Checked == true) { this.txtOrderID.Text = order.GET_LAST_ORDER_ID().Rows[0][0].ToString(); this.lbTrID.Text = order.GET_LAST_Transaction_ID().Rows[0][0].ToString(); btnNEW.Enabled = false; btnAdd.Enabled = true; txtCustomerID.Text = "1"; } else { this.txtOrderID.Text = order.GET_LAST_PurchaseORDER_ID().Rows[0][0].ToString(); this.lbTrID.Text = order.GET_LAST_Transaction_ID().Rows[0][0].ToString(); btnNEW.Enabled = false; btnAdd.Enabled = true; } }