ddrmenu
<%@ Register TagPrefix="dnn" TagName="MENU" Src="~/DesktopModules/DDRMenu/Menu.ascx" %>
可以显示父类下的子菜单 (dropdownlist),
<dnn:MENU ID="bootstrapNav1" MenuStyle="Dropdown" NodeSelector="RootChildren" IncludeHidden="true" runat="server"></dnn:MENU>