导航栏分类多行对齐显示方法

<asp:DataList id="dlSortNav"
 RepeatLayout="Flow"
 RepeatColumns="15"
 RepeatDirection="Horizontal"
 runat="server">

<asp:DataList id="dlSortNav"
 RepeatLayout="Table"
 RepeatColumns="10"
 Width="95%"
 RepeatDirection="Horizontal"
 runat="server">
 <ItemStyle HorizontalAlign="center"/>