<asp:TemplateField HeaderText="ID">
<ItemTemplate>
<a href="Show.aspx?id=<%# Eval("ID") %>" target="_blank" ><asp:Label ID="lblID" runat="server" Text='<%# Eval("ID") %>' ForeColor="#6C6C6C"></asp:Label></a>
</ItemTemplate>
</asp:TemplateField>