Protected Sub GridView1_DataBound(ByVal sender As Object, ByVal e As System.EventArgs) _
Handles GridView1.DataBound
Dim gv As GridView = CType(sender, GridView)
Dim c As TableCell
For Each c In gv.HeaderRow.Cells
c.Text = System.Web.HttpUtility.HtmlDecode(c.Text)
Next
End Sub