protected void GrdContactType_Sorting(object sender, GridViewSortEventArgs e)
{
// dont allow sorting if in edit mode
if (GrdContactType.EditIndex >= 0)
{
return;
}
DataTable dataTable = Session["contacttype_data"] as DataTable;
if (dataTable != null)
{
if (Session["contacttype_sortexpression"] == null)
{
Session["contacttype_sortexpression"] = "";
}
DataView dataView = new DataView(dataTable);
string[] sortData = Session["contacttype_sortexpression"].ToString().Trim().Split(' ');
string newSortExpr = (e.SortExpression == sortData[0] && sortData[1] == "ASC") ? "DESC" : "ASC";
dataView.Sort = e.SortExpression + " " + newSortExpr;
Session["contacttype_sortexpression"] = e.SortExpression + " " + newSortExpr;
GrdContactType.DataSource = dataView;
GrdContactType.DataBind();
}
}
protected void FillContactTypeGrid()
{
DataTable dt_contact_type = ContactTypeDB.GetDataTable(-1);
Session["contacttype_data"] = dt_contact_type;
if (dt_contact_type.Rows.Count > 0)
{
if (IsPostBack && Session["contacttype_sortexpression"] != null && Session["contacttype_sortexpression"].ToString().Length > 0)
{
DataView dataView = new DataView(dt_contact_type);
dataView.Sort = Session["contacttype_sortexpression"].ToString();
GrdContactType.DataSource = dataView;
}
else
{
GrdContactType.DataSource = dt_contact_type;
}
try
{
GrdContactType.DataBind();
}
catch (Exception ex)
{
this.lblErrorMessage.Visible = true;
this.lblErrorMessage.Text = ex.ToString();
}
}
else
{
dt_contact_type.Rows.Add(dt_contact_type.NewRow());
GrdContactType.DataSource = dt_contact_type;
GrdContactType.DataBind();
int TotalColumns = GrdContactType.Rows[0].Cells.Count;
GrdContactType.Rows[0].Cells.Clear();
GrdContactType.Rows[0].Cells.Add(new TableCell());
GrdContactType.Rows[0].Cells[0].ColumnSpan = TotalColumns;
GrdContactType.Rows[0].Cells[0].Text = "No Record Found";
}
}
