1.Create a file map file using add new item the fill will be an xml file with node /child nodes in targeturl= href="microsoft.com/">http://microsoft.com text="microsoft">
2. create an asp web form (sitemap.aspx)
3. write follwoing code in web form aspx page.
td align="left">
asp:treeview id="TreeView1" runat="server" datasourceid="SiteMapDataSource1" backcolor="AliceBlue">
asp:TreeView>
asp:sitemapdatasource id="SiteMapDataSource1" runat="server" showstartingnode="false">
td>
you can customized your site map look and feel by using rootnode and child node property styles.
thanks
bhupen parikh