<asp:BoundField DataField="EmpName" HeaderText="Emp.Name">asp:BoundField>
<asp:BoundField DataField="DOB" HeaderText="DOB">asp:BoundField>
<asp:BoundField DataField="Qualification" HeaderText="Qualification">
and bind gridview DataSource with "EmpName" and "DOB" column.
So in this case i want to hide "Qualification" column.