/// <summary>
/// This function is used for sorting the GridView
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void gvKnownPopulation_Sorting(object sender, GridViewSortEventArgs e)
{
DataTable dt = bi.GetMasterKnownPopulation(this.dlRace.SelectedValue);
if (dt != null)
{
using (DataView dv = new DataView(dt))
{
SortDirection sdSortDirection = SortDirection.Ascending;
if (Session["SortExpression"] != null)
{
if (Session["SortExpression"].ToString() == e.SortExpression)
{
if ((SortDirection)Session["SortDirection"] == SortDirection.Ascending)
{
sdSortDirection = SortDirection.Descending;
}
else
{
sdSortDirection = SortDirection.Ascending;
}
}
else
{
sdSortDirection = SortDirection.Ascending;
}
}
dv.Sort = e.SortExpression + " " + ConvertSortDirectionToSql(sdSortDirection);
Session["SortExpression"] = e.SortExpression;
Session["SortDirection"] = sdSortDirection;
this.gvKnownPopulation.DataSource = dv;
this.gvKnownPopulation.DataBind();
}
}
}
