Try this:
<asp:Repeater runat="server" id="myRepeater">
<ItemTemplate>
<tr runat="server"
visible='<%#String.Format("{0}",DataBinder.Eval(Container.DataItem, "Website"))!="" %>'>
<td><span>Website address:</span></td>
<td>
<p><a href='<%#DataBinder.Eval(Container.DataItem, "Website") %>"
class="red-link'><%#DataBinder.Eval(Container.DataItem, "Website") %></a></p>
</td>
</tr>
</ItemTemplate>
</asp:Repeater>
It will set the row's visible
attribute to false
when the Website
is empty or null
.