c#生成站点地图（SiteMapPath）文件示例程序

//创建站点地图
        private void createsitemap(dataset ds)
        {

            xmldeclaration declareation;
            declareation = xmldoc.createxmldeclaration("1.0", "utf-8", null);
            xmldoc.appendchild(declareation);

            xmlelement xeroot = xmldoc.createelement("sitemap");
            xmldoc.appendchild(xeroot);

            xmlelement xroot = xmldoc.createelement("sitemapnode");
            xroot.setattribute("title", "");
            xroot.setattribute("url", "#");
            xeroot.appendchild(xroot);

            for (int i = 0; i <= ds.tables[0].rows.count - 1; i++)
            {
                datarowview row = ds.tables[0].defaultview[i];

                string mainmenu = row["mainmenu"].tostring();
                string navigateurl = row["navigateurl"].tostring();
                if (mainmenu != str)
                {
                    xmlelement sitemapnode = xmldoc.createelement("sitemapnode");
                    sitemapnode.setattribute("title", mainmenu);
                    sitemapnode.setattribute("description", "");
                    sitemapnode.setattribute("url", navigateurl);
                    xroot.appendchild(sitemapnode);
                    str = addchildnode(mainmenu);
                }
            }
            xmldoc.save(server.mappath("\\web.sitemap"));
        }

        //添加子节点
        private string addchildnode(string text)
        {
            string sql = "select * from menu where mainmenu ='" + text + "'";
            datasql data = new datasql();
            data.datacon();
            dataset ds = data.getdataset(sql);
            xmlnode root = xmldoc.selectsinglenode("/sitemap/sitemapnode/sitemapnode[@title='" + text + "']");
            for (int i = 0; i <= ds.tables[0].rows.count - 1; i++)
            {
                datarowview row = ds.tables[0].defaultview[i];

                string childmenu = row["childmenu"].tostring();
                if (childmenu != "")
                {
                    string navigateurl = row["navigateurl"].tostring();

                    xmlelement sitemapnode = xmldoc.createelement("sitemapnode");
                    sitemapnode.setattribute("title", childmenu);
                    sitemapnode.setattribute("description", "");
                    sitemapnode.setattribute("url", navigateurl);
                    root.appendchild(sitemapnode);
                }
            }
            return text;
        }