private void cboStores_EditValueChanged(object sender, EventArgs e) { if (cboStores.EditValue == null) { return; } var rec = new ReceiveDoc(); // dtRec = rec.GetDistinctRecDocments(Convert.ToInt32(cboStores.EditValue)); UserCommodityType ucs = new UserCommodityType(); DataTable dt = ucs.GetUserCommodityType(MainWindow.LoggedinId); int[] typeid = new int[dt.Rows.Count]; for (int i = 0; i < dt.Rows.Count; i++) { typeid[i] = Convert.ToInt32(dt.Rows[i]["ID"]); } var typeids = string.Join(",", typeid); dtRec = rec.GetDistinctRecDocmentbyUsers(Convert.ToInt32(cboStores.EditValue), typeids); PopulateDocuments(dtRec); }