string lc_cdmc = textBox1.Text;

            string lc_zxml = textBox2.Text;

            if (xdnode.GetNodeCount(true) != 0)    //说明所选节点有下级菜单项

            {

                lc_zxml = "0";   //所选节点有下级菜单项lc_zxml(执行命令)无意义用"0"表示

                textBox2.Text = "0";

            }

            xdnode.Text = lc_cdmc;

           XElement xmlFile = XElement.Load(@"ftp://100.100.0.1/yhcd1/XMLCdsj.xml");

            try

            {

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

                {

                    if (cl.Value.ToString() == xdnode.Tag.ToString())

                    {

                        cl.SetAttributeValue("cdmc", lc_cdmc);            //修改元素属性

                        cl.SetAttributeValue("zxml", lc_zxml);    

                    }

                }

                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("菜单项修改成功 !", "系统提示", MessageBoxButtons.OK,

MessageBoxIcon.Asterisk);

            }

            catch (Exception el)

            {