c# JSON返回格式的WEB SERVICE

namespace IWebs.Webs{
using System;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml;
using System.Xml.XPath;
using System.Web.Script.Services;
using IWebs;
[WebService (Name="cjjer",Description="一个返回用户资料，订单信息的WebService，请求的手机号码最长12位",Namespace="http://www.cjjer.com/webs/")]
[System.Web.Script.Services.ScriptService]
public class cjjer:WebService{
public class ReqHeader : SoapHeader{
public string userName;
public string password;
}
public ReqHeader header;
[WebMethod (Description ="输入单个用户的int值ID,返回用户类",MessageName="GetUser",EnableSession = false)]
[ScriptMethod(ResponseFormat = ResponseFormat.Json)]
[SoapHeader("header", Direction = SoapHeaderDirection.In)]
public Model.Member GetUser(int uid){
this.ChechHeader(header);
return (new DAL.Members()).GetById(uid);
}
[WebMethod (Description ="输入某个用户的手机号码,返回用户类",MessageName="GetUserByMobile",EnableSession = false)]
[ScriptMethod(ResponseFormat=ResponseFormat.Json)]
[SoapHeader("header", Direction = SoapHeaderDirection.In)]
public Model.Member GetUserByMobile(string umobile){
this.ChechHeader(header);
return (new DAL.Members()).GetByMobile(umobile);
}
[WebMethod (Description ="输入某个用户的手机号码,返回订单数组",MessageName="GetOrdersByMobile",EnableSession = false)]
[ScriptMethod(ResponseFormat=ResponseFormat.Json)]
[SoapHeader("header", Direction = SoapHeaderDirection.In)]
public IWebs.Model.Order[] GetOrdersByMobile(string umobile){
this.ChechHeader(header);
return (new DAL.Orders()).GetByMobile(umobile,-365);
}
[WebMethod (Description ="输入某个用户的ID,返回订单数组",MessageName="GetOrdersByUserId",EnableSession = false)]
[ScriptMethod(ResponseFormat=ResponseFormat.Json)]
[SoapHeader("header", Direction = SoapHeaderDirection.In)]
public IWebs.Model.Order[] GetOrdersByUserId(int uid){
this.ChechHeader(header);
return (new DAL.Orders()).GetOrdersByUserId(uid,-365);
}
private void ChechHeader(ReqHeader header){
if (header != null){
if (header.MustUnderstand)
{
string UserName = header.userName;
string PassWord = header.password;
if (UserName == "cjjer" && PassWord == "000000")
{
return ;
}
else
{
throw new ApplicationException (String.Format("用户名[{0}]或密码[{1}]错误",UserName,PassWord));
}
}
else
{
throw new ApplicationException ("包含用户名和密码信息的消息头格式不正确");
}
}
else
{
throw new ApplicationException ("请提交包含用户名和密码信息的消息头");
}
}
};
}

<remove verb="*" path="*.asmx"/>
<add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>