C#创建XML字符串

//webService

using System;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml;
using System.Text;
using System.IO;

[WebService(Namespace = "webservice")] //(Namespace = "http://localhost/webserver/")
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
public class Service : System.Web.Services.WebService