protected void Sort(string sortExpression, params string[] sortExpr) { DataTable dataTable = Session["data_email_history"] as DataTable; if (dataTable != null) { if (Session["sortExpression_email_history"] == null) { Session["sortExpression_email_history"] = ""; } DataView dataView = new DataView(dataTable); string[] sortData = Session["sortExpression_email_history"].ToString().Trim().Split(' '); string newSortExpr = (sortExpr.Length == 0) ? (sortExpression == sortData[0] && sortData[1] == "ASC") ? "DESC" : "ASC" : sortExpr[0]; dataView.Sort = sortExpression + " " + newSortExpr; Session["sortExpression_email_history"] = sortExpression + " " + newSortExpr; GrdEmailHistory.DataSource = dataView; GrdEmailHistory.DataBind(); } }
protected void FillGrid() { DataTable dt = EmailHistoryDataDB.GetDataTable(2, false); Session["data_email_history"] = dt; if (dt.Rows.Count > 0) { if (IsPostBack && Session["sortExpression_email_history"] != null && Session["sortExpression_email_history"].ToString().Length > 0) { DataView dataView = new DataView(dt); dataView.Sort = Session["sortExpression_email_history"].ToString(); GrdEmailHistory.DataSource = dataView; } else { GrdEmailHistory.DataSource = dt; } try { GrdEmailHistory.DataBind(); GrdEmailHistory.PagerSettings.FirstPageText = "1"; GrdEmailHistory.PagerSettings.LastPageText = GrdEmailHistory.PageCount.ToString(); GrdEmailHistory.DataBind(); } catch (Exception ex) { SetErrorMessage(ex.ToString()); } } else { dt.Rows.Add(dt.NewRow()); GrdEmailHistory.DataSource = dt; GrdEmailHistory.DataBind(); int TotalColumns = GrdEmailHistory.Rows[0].Cells.Count; GrdEmailHistory.Rows[0].Cells.Clear(); GrdEmailHistory.Rows[0].Cells.Add(new TableCell()); GrdEmailHistory.Rows[0].Cells[0].ColumnSpan = TotalColumns; GrdEmailHistory.Rows[0].Cells[0].Text = "No Record Found"; } }