using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Data;

using GB.BLL;
using GB.Utility;
using System.Web.Services.Protocols;

public class AuthHeaderGB : SoapHeader
{
    public string Username;
    public string Password;
}

/// <summary>
///UserService 的摘要说明
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
//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 UserService : System.Web.Services.WebService
{

public AuthHeaderGB sHeader;

public UserService()
    {

//如果使用设计的组件，请取消注释以下行 
        //InitializeComponent(); 
    }

[WebMethod(Description = "获取用户信息")]
    [SoapHeader("sHeader")]   
    public DataTable GetCompanyInfo(string userName)
    {
        if (sHeader == null)
        {
            return null;
        }
        else
        {
            string usr = sHeader.Username;
            string pwd = sHeader.Password;

if (AuthenticateUser(usr, pwd))
            {
                CompanyBLL companyBLL = new CompanyBLL();
                DataTable dt = companyBLL.GetCompanyInfo(userName);
                return dt;
            }
            else
            {
                return null;
            }
        }

}

private bool AuthenticateUser(string usr, string pwd)
    {
        if ((usr != null&&pwd != null) && (usr=="gbwebservice"&&pwd=="gbpwd"))
        {
            return true;
        }
        return false;
    }

}

WebService webservice = new WebService();
AuthHeaderGB auth = new AuthHeaderGB();
auth.Username = "gbwebservice";
auth.Password = "gbpwd";
webservice.AuthHeaderGBValue = auth;
DataTable dt=auth.GetCompanyInfo("test");