webservice 报文头及返回xml

类
[Serializable]
    public class MySoapHeader : System.Web.Services.Protocols.SoapHeader
    {
        private string userName = string.Empty;
        private string passWord = string.Empty;

        /// <summary>
        /// 构造函数
        /// </summary>
        public MySoapHeader() { } /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="userName">用户名</param>
        /// <param name="passWord">密码</param>
        public MySoapHeader(string userName, string passWord)
        {
            this.userName = userName;
            this.passWord = passWord;
        }

        /// <summary>
        /// 获取或设置用户用户名
        /// </summary>
        public string clientKey
        {
            get { return userName; }
            set { userName = value; }

        }

        /// <summary>
        /// 获取或设置用户密码
        /// </summary>
        public string secrect
        {
            get { return passWord; }
            set { passWord = value; }
        }

    }

类
 public class PublacXml
    {
        //传入xml字符 输入完整的string xml
        public string XmlRt(string R_Sxml)
        {
            StringBuilder XmlStr = new StringBuilder();
            XmlStr.Append("<?xml version=\"1.0\" encoding=\"gb2312\"?>");
            XmlStr.Append("<LOGINUSER>");
            XmlStr.AppendFormat("<LDAPID>{0}</LDAPID>", R_Sxml);
            XmlStr.Append("</LOGINUSER>");
            return XmlStr.ToString();
        }
    }

webservice调用
 [System.Web.Services.Protocols.SoapHeader("myHeader")]
        //查询理赔信息是否成功接口
        [WebMethod(Description = "<b><i>输入重传次数和唯一值 返回理赔 服务合同编号、错误信息、状态</i></b><br><font color=‘blue‘>int</font> sno:重传次数</br><br><font color=‘blue‘>string</font> guid:承保理赔撤销唯一值(2015-05-06)</br>")]
        public string lpstatus(int sno, string guid)
        {
            string sql = "select * from ss_lp a inner join ss_ba b on a.lpid=b.lpid where sno=" + sno + " and guid=‘" + guid + "‘";
            DataTable dt = DBHelper.GetDataTable(sql);
            string d = string.Empty;
            d += "<ERROR>" + "<EX_name>" + dt.Rows[0]["PACK_CARD_CODE"].ToString() + "</EX_name>" + "<EX_mark>" + dt.Rows[0]["CW"].ToString() + "</EX_mark>" + "<EX_statu>" + dt.Rows[0]["shstatus"].ToString() + "</EX_statu>" + "</ERROR>";
            PublacXml xl = new PublacXml();
            string RT_xml = xl.XmlRt(d);
            return RT_xml;
        }

报文头
 public MySoapHeader myHeader = new MySoapHeader();
        //报文头
        private string yanz()
        {
            if (myHeader.clientKey.Equals("1") & myHeader.secrect.Equals("1"))
            {
                return "";
            }
            else
            {
                return "00";
            }
        }

报文头调用
  ServiceReference1.MySoapHeader my = new MySoapHeader();
            my.clientKey = "1";//用户名
            my.secrect = "1";//密码