<asp:DataList id="BigCategories" runat="server" RepeatColumns="5" ItemStyle-VerticalAlign="Top"  RepeatLayout="Table" RepeatDirection="Vertical"
                OnItemDataBound="BigCategories_ItemDataBound"> 
  <ItemTemplate> 
    <!--分类名称-->
        <a class="newstitle" href='CatalogInfoList.aspx?catalogtop=<%# HttpUtility.UrlEncode(Eval("catalogtop").ToString()) %>' 
             target="_blank"><%# Eval("catalogtop") %></a>
    <!--分类下的产品--> 
    <asp:Repeater ID="MinCategories" runat="server"> 
      <ItemTemplate> 
        <a href='CatalogInfoList.aspx?catalogsub=<%# HttpUtility.UrlEncode(Eval("catalogsub").ToString()) %>' target="_blank"><%# Eval("catalogsub") %></a>
      </ItemTemplate> 
    </asp:Repeater> 
  </ItemTemplate>
 </asp:DataList>