Trouble embedding C# into mark-up

 Trying to get this to work but I obviously am doing something wrong in the syntax which I do not see:
  
<%= if(Request["Admin"] == "1"){ %>
<tr>
<td class="subnav_border">
<asp:LinkButton CssClass="cleanbutton" ID="lnkbtnAddApplicationTest" OnClick="lnkbtnAddApplicationTest_Click" runat="server">Add Application test</asp:LinkButton>
<asp:HyperLink ID= ...