C# 保存xml文档

            XDocument document = new XDocument(new XDeclaration("1.0","itf-8",null));
            XElement root = new XElement("root");
            root.SetAttributeValue("Name", "ConfigFileName");
            root.SetAttributeValue("Date", DateTime.Now.ToString());
            XElement configList=new XElement("CONFIGLIST");
            configList.SetAttributeValue("ver", "1.0");
            XElement sc = new XElement("SC");
            sc.SetElementValue("NAME", "SC1");
            sc.SetElementValue("VALUE", "1");
            configList.Add(sc);
            XElement sc2 = new XElement("SC");
            sc2.SetElementValue("NAME", "SC2");
            sc2.SetElementValue("VALUE", "2");
            configList.Add(sc2);
            root.Add(configList);
            document.Add(root);
            document.Save(@"C:\Users\TEST\SCCONFIG.xml");