How to Add Hyperlink in Girdview Hader Row in Asp.Net

protected void GrdScheduler_RowDataBound(object sender, GridViewRowEventArgs e)

{

if (e.Row.RowType == DataControlRowType.Header)

{

if (e.Row.RowType == DataControlRowType.Header)

{

for (int m = 1; m < e.Row.Cells.Count; m++)

{

HyperLink hlControl = new HyperLink();

hlControl.ForeColor = System.Drawing.Color.White;

hlControl.Text = e.Row.Cells[m].Text.Split('|')[0];

hlControl.NavigateUrl = "~/ToolTip/FrmCountDetails.aspx?Name=" + e.Row.Cells[m].Text.Split('|')[0] + "&Id=" + e.Row.Cells[m].Text.Split('|')[1] + "&Date=" + RDPFromDate.Text + "";

hlControl.Attributes.Add("OnClick", "var w=window.open(this.href, 'ViewCount', 'height=350, width=600,top=40,left=100,toolbar=no,menubar=no,location=no,resizable=no,scrollbars=yes,status=no');w.focus(); return false;");

hlControl.ToolTip = "Click Here to view Details of " + e.Row.Cells[m].Text.Split('|')[0];

e.Row.Cells[m].Controls.Add(hlControl);

}

}

}

}