<table id="tablehide" runat="server">
<tr id="trhide" runat="server">
<td id="tdhide" runat="server">
</td>
</tr>
</table>
Codebehind:
tablehide.visible=false;
(or)
trhide.visible=false;
(or)
tdhide.visible=false;
tablehide.visible=true;
(or)
trhide.visible=true;
(or)
tdhide.visible=true;
place your usercontrol with in the table and hide the whole things.