VC调用带有Soap Header的C#写的普通WebService(.net2.0)解决办法

using System;
using System.Collections.Generic;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;

namespace Test1
{
    [Serializable]
    public class AuthHeader : SoapHeader
    {
        private string _username;
        private string _password;

        public string UserID
        {
            get { return _username; }
            set { _username = value; }
        }

        public string Password
        {
            get { return _password; }
            set { _password = value; }
        }
    }

    /// <summary>
    /// WebService1 的摘要说明
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    // 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消对下行的注释。
    // [System.Web.Script.Services.ScriptService]
    public class WebService1 : System.Web.Services.WebService
    {
        public AuthHeader theHeader;

        [WebMethod]
        public AuthHeader Dummy() { return null; }

        [WebMethod(Description = "QueryRuntimeCommand.")]
        //[SoapHeader("theHeader", Direction = SoapHeaderDirection.In)]
        public string QueryRuntimeCommand(string TaskWorkingID, out string RuntimeCommand)
        {
            string ErrText = "QuerySuccess";
            RuntimeCommand = "Start";

            if (theHeader == null || theHeader.UserID == null)
                return "Unauthenticated";
            if (theHeader.UserID != "wawa")
                return "Unauthenticated";

            return ErrText;
        }
    }
}