SiteMapPath使用方法

 <asp:SiteMapPath ID="SiteMapPath1" runat="server" CssClass="sitemap" RenderCurrentNodeAsLink="True" SiteMapProvider="SiteMapPath1" >

            <RootNodeStyle CssClass="first" />
            <NodeStyle  CssClass=""/>
            <CurrentNodeStyle CssClass="last" />
            <PathSeparatorStyle CssClass="bc-seperator" />
            <PathSeparatorTemplate>
            </PathSeparatorTemplate>

 </asp:SiteMapPath>

Web.sitemap 代码
<?xml version="1.0" encoding="utf-8" ?>
<siteMap xmlns="http://schemas.microsoft.com/AspNet/SiteMap-File-1.0" >
    <siteMapNode url="index.aspx" title="首页"  description="">
      <siteMapNode url="list.aspx" title="列表页"  description="">
        <siteMapNode url="Detail.aspx" title="详细信息页"  description="" />

      </siteMapNode>
    </siteMapNode>
</siteMap>

web.config的代码
<siteMap defaultProvider="SiteMapPath1" enabled="true">
   <providers>
    <add name="SiteMapPath1" description="SiteMap provider which reads in .sitemap XML files." type="System.Web.XmlSiteMapProvider, System.Web, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" siteMapFile="Web.sitemap" securityTrimmingEnabled="true" />
   </providers>
  </siteMap>