protected void GrdSuburb_Sorting(object sender, GridViewSortEventArgs e)
{
// dont allow sorting if in edit mode
if (GrdSuburb.EditIndex >= 0)
{
return;
}
DataTable dataTable = Session["suburb_data"] as DataTable;
if (dataTable != null)
{
if (Session["suburb_sortExpression"] == null)
{
Session["suburb_sortExpression"] = "";
}
DataView dataView = new DataView(dataTable);
string[] sortData = Session["suburb_sortExpression"].ToString().Trim().Split(' ');
string newSortExpr = (e.SortExpression == sortData[0] && sortData[1] == "ASC") ? "DESC" : "ASC";
dataView.Sort = e.SortExpression + " " + newSortExpr;
Session["suburb_sortExpression"] = e.SortExpression + " " + newSortExpr;
GrdSuburb.DataSource = dataView;
GrdSuburb.DataBind();
}
}
protected void FillSuburbGrid()
{
DataTable dt = SuburbDB.GetDataTable(false, txtSearchSuburbName.Text.Trim(), true, null, (ddlState.SelectedValue == "All" ? null : ddlState.SelectedValue));
Session["suburb_data"] = dt;
if (dt.Rows.Count > 0)
{
if (IsPostBack && Session["suburb_sortExpression"] != null && Session["suburb_sortExpression"].ToString().Length > 0)
{
DataView dataView = new DataView(dt);
dataView.Sort = Session["suburb_sortExpression"].ToString();
GrdSuburb.DataSource = dataView;
}
else
{
GrdSuburb.DataSource = dt;
}
try
{
GrdSuburb.DataBind();
GrdSuburb.PagerSettings.FirstPageText = "1";
GrdSuburb.PagerSettings.LastPageText = GrdSuburb.PageCount.ToString();
GrdSuburb.DataBind();
}
catch (Exception ex)
{
this.lblErrorMessage.Visible = true;
this.lblErrorMessage.Text = ex.ToString();
}
}
else
{
dt.Rows.Add(dt.NewRow());
GrdSuburb.DataSource = dt;
GrdSuburb.DataBind();
int TotalColumns = GrdSuburb.Rows[0].Cells.Count;
GrdSuburb.Rows[0].Cells.Clear();
GrdSuburb.Rows[0].Cells.Add(new TableCell());
GrdSuburb.Rows[0].Cells[0].ColumnSpan = TotalColumns;
GrdSuburb.Rows[0].Cells[0].Text = "No Record Found";
}
}
