<asp:TemplateField HeaderStyle-Font-Bold="false" HeaderStyle-Font-Size="12px" HeaderText="Print" ItemStyle-Font-Bold="false" ItemStyle-Font-Size="12px" ItemStyle-Width="20px">
<ItemTemplate>
<asp:Button ID="butprint" runat="server" Text="Print" BackColor="Green" CommandName="Print" ForeColor="White" Width="50px" />
</ItemTemplate>
<HeaderStyle Font-Bold="True" Font-Size="12px" />
<ItemStyle Font-Bold="False" Font-Size="12px" Width="20px" />
</asp:TemplateField>