<asp:Repeater runat="Server" ID="rp1">
       <ItemTemplate>             ......................
             <div id="hh_div">
                 主人回复:<%#Eval("recontent") %>
              </div>
         </ItemTemplate>
</asp:Repeater>
当recontent字段为空的时候,hh_div层不显示,这个该怎么实现