剛開始用xml去做沒有弄好，折騰了好久成功了，先倉促的記一下

protected void btnAdd_Click(object sender, EventArgs e)
??? {
??????? XElement els = XElement.Load(Server.MapPath(@"~\Student\stu.sitemap"));
??????? XNamespace siteNM = "http://schemas.microsoft.com/AspNet/SiteMap-File-1.0";
??????? XElement eTemp = els.Element(siteNM + "siteMapNode");
??????? var elements = from el in eTemp.Elements(siteNM + "siteMapNode")
?????????????????????? where (string)el.Attribute("title") == "課堂學習"
?????????????????????? select el;
??????? XElement keTang = null;
??????? foreach (var el in elements)
??????? {
??????????? keTang = el;
??????? }
??????? keTang.Add(new XElement(siteNM + "siteMapNode", new XAttribute("url", txtUrl.Text), new XAttribute("title", txtName.Text), new XAttribute("description", ""), new XAttribute("roles", "0")));
??????? els.Save(Server.MapPath(@"~\Student\stu.sitemap"));
??? }

?

XElement els = XElement.Load(Server.MapPath(@"~\Student\stu.sitemap"));
??????? XNamespace siteNM = "http://schemas.microsoft.com/AspNet/SiteMap-File-1.0";
??????? XElement eTemp = els.Element(siteNM + "siteMapNode");
??????? var elements = from el in eTemp.Elements(siteNM + "siteMapNode")
?????????????????????? where (string)el.Attribute("title") == "課堂學習"
?????????????????????? select el;
??????? XElement keTang = null;
??????? foreach (var el in elements)
??????? {
??????????? keTang = el;
??????? }
??????? var del = from el in keTang.Elements(siteNM + "siteMapNode")
????????????????? where (string)el.Attribute("title") == txtName.Text
????????????????? select el;
??????? XElement delXElement = null;
??????? foreach (var ell in del)
??????????? delXElement = ell;

??????? if (delXElement != null)
??????????? delXElement.Remove();

??????? els.Save(Server.MapPath(@"~\Student\stu.sitemap"));

轉載于:https://www.cnblogs.com/cnryb/archive/2011/12/07/2280010.html

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