private void bt_Promotion_Click(object sender, EventArgs e) { //pnl_Product.Show(); //pnl_User.Hide(); bt_Product.BackColor = Color.Yellow; bt_LoginUser.BackColor = Color.Khaki; bt_ProdType.BackColor = Color.LightGreen; bt_RFIDTags.BackColor = Color.LightGreen; bt_Tax.BackColor = Color.DarkOrange; bt_SysConfig.BackColor = Color.Orchid; DataAccessPOS dbPOS = new DataAccessPOS(); promos = dbPOS.Get_All_Promotions(); isProduct = false; isLoginUser = false; isPType = false; isRFIDTag = false; isSysConfig = false; isTax = false; isStation = false; isPromotion = true; dgvData_Promo_Initialize(); if (promos.Count > 0) { foreach (var promo in promos) { this.dgvData.Rows.Add(new String[] { promo.Id.ToString(), promo.PromoName, promo.PromoType.ToString(), promo.PromoValue.ToString(), promo.PromoQTY.ToString(), promo.PromoStartDttm.ToString(), promo.PromoEndDttm.ToString() }); this.dgvData.FirstDisplayedScrollingRowIndex = dgvData.RowCount - 1; } } }