Try to find out in this way.
<asp:TemplateField HeaderText="Details" HeaderStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:HyperLink ID="hyp_Isfresher" NavigateUrl='<%#"~/Admin/OrderDetails.aspx?Order_Id="+Eval("JobId") %>'
Text="View" runat="server"></asp:HyperLink>
</ItemTemplate>
</asp:TemplateField>