private void btnInventory_Click(object sender, EventArgs e) { List <ReportPOJO> reports = ReportDAO.getAllReportInventory(); dtgReportProducts.Rows.Clear(); for (int i = 0; i < reports.Count; i++) { dtgReportProducts.Rows.Add(reports[i].IdArticle, reports[i].Name, reports[i].Size, reports[i].Color, reports[i].Cost, reports[i].Price1, reports[i].Price2, reports[i].Price3, reports[i].Price4, reports[i].QuantityArticle); } }