I've tried to set Gridview HyperLinkField Header text to some value using DataBinding
<%# Eval("Rating") %>
,but it caused error:
'Gridview :Databinding expressions are only supported on objects that have a DataBinding event. System.Web.UI.WebControls.HyperLinkField does not have a DataBinding event.
I had to assign Gridview HyperLinkField Header programmatically using RowDataBound event handler.