public void PPP() { try { int Update = 0; DataTable H10 = new DataTable(); DataTable H11 = new DataTable(); var FA = new Assest.OrcDataAcess(); FA.Show(H11); FA.Show_(H10); JSum = H10.Compute("Sum(PRICE)", ""); //listStrings5.Clear(); foreach (DataRow DR in H10.Rows) { listStrings5.Add(DR.Field <string>("BARCODE")); } bool eleno = false; for (int i = 0; i < listStrings.Count; i++) { if (listStrings[i] == listStrings[i] || listStrings[i] == listStrings[i] + "\n") { eleno = true; } } if (eleno == true) { for (int j = 0; j < 1; j++) { if (Quan_li < 1) { DXMessageBox.Show(string.Format("لم يتم العثور على اي نتائج", Name.Text), "خطأ", MessageBoxButton.OK, MessageBoxImage.Error); GID.Add(int.Parse(id_li)); Exists = 0; } else { if (Exists == 1) { Add(); var oracleClassAdd = new Assest.OrcDataAcess(); oracleClassAdd._Add(Name.Text, price.Text, Barcode.Text); A_qua = j; Update = Quan_li - 1;//تنقيص من الكمية الموجودة بالمخزن FA.Updating_QUa(Update.ToString(), id_li); foreach (string s in Price_Report) { price_p += int.Parse(s); } var mainwindow = new MainWindow(); mainwindow.button7_Copy1d_Click(null, null); } else { } } //FA.Updating_QUa(Update.ToString(), liststring4[j]); } } } catch (Exception ex) { } }