intdel = null;

                for (int i = 1; i <= intcount - intindex; i++)

                {

                    //从选定节点向下的节点全部删除。

                    foreach (var cl in xmlFile.Elements("cdbm"))

                    {

                        if (cl.Value.ToString() == strcdbm[i - 1])

                        {

                            cl.Remove();

                            intdel = 1;

                        }

                    }

                }

                if (intdel == 1)

                {

                    treeView1.Nodes.Remove(xdnode);      //删除树形控件节点

                }

                //依次添加被删除元素以下所有元素和属性

                for (int i = 1; i <= intcount - intindex - 1; i++)

                {

                    XElement menu = new XElement("cdbm",

                        new XAttribute("cdmc", strcdmc[i]),

                        new XAttribute("zxml", strzxml[i]),

                        new XAttribute("sxbm", strsxbm[i]), strcdbm[i - 1]);

                    xmlFile.Add(menu);

                }

                xmlFile.Save(@"C:\XMLCdsj.xml");           

                string lc_xml = @"C:\XMLCdsj.xml";

                Network network = new Network();

                network.UploadFile(lc_xml,@"ftp://100.100.0.1/yhcd1/XMLCdsj.xml", "administrator", "1234567", false, 500);

                MessageBox.Show("菜单项删除成功 !", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);

            }