/// <summary>
        /// this is just to re-encode xml format message into hl7 to ceck if the XML is correct or not.
        /// </summary>
        /// <param name="xmlMEssage"></param>
        void testFunction(XmlDocument xmlMEssage)
        {
            NHapi.Model.V23.Message.ORU_R01 orm;
            //  orm = imess as NHapi.Model.V23.Message.ORU_R01;

            NHapi.Base.Parser.DefaultXMLParser dfx = new NHapi.Base.Parser.DefaultXMLParser();
            orm = dfx.ParseDocument(xmlMEssage, "2.3") as NHapi.Model.V23.Message.ORU_R01;

            NHapi.Base.Parser.PipeParser pp = new NHapi.Base.Parser.PipeParser();
            string s = pp.Encode(orm);
        }