WebService Routing (Soap Router)

using System;
using System.Web;
using System.Collections;
using System.Web.Services;
using System.Web.Services.Protocols;
//using Microsoft.Web.Services3.Messaging;


/// <summary>
/// Summary description for StandardService
/// </summary>
/// 
//[SoapActor("*")]
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
public class StandardService : System.Web.Services.WebService
{
    public AuthHeader authheader;
    
    public StandardService () {

        //Uncomment the following line if using designed components 
        //InitializeComponent(); 
    }

    [SoapHeader("authheader", Direction = SoapHeaderDirection.InOut)]
    [WebMethod]
    public string GetServiceString()
    {
        return "This is Standard Service Customer";
    }
    
}

public class AuthHeader : SoapHeader
{
    public string UserId;
}