///<summary>
        /// Method Invocation of wrapper classes
        ///<summary>
        protected static FR_L6BH_GBHaTNfTID_1039 Invoke(DbConnection Connection, DbTransaction Transaction, string ConnectionString, P_L6BH_GBHaTNfTID_1039 Parameter, CSV2Core.SessionSecurity.SessionSecurityTicket securityTicket = null)
        {
            bool cleanupConnection  = Connection == null;
            bool cleanupTransaction = Transaction == null;

            FR_L6BH_GBHaTNfTID_1039 functionReturn = new FR_L6BH_GBHaTNfTID_1039();

            try
            {
                if (cleanupConnection == true)
                {
                    Connection = CSV2Core_MySQL.Support.DBSQLSupport.CreateConnection(ConnectionString);
                    Connection.Open();
                }
                if (cleanupTransaction == true)
                {
                    Transaction = Connection.BeginTransaction();
                }

                functionReturn = Execute(Connection, Transaction, Parameter, securityTicket);

                #region Cleanup Connection/Transaction
                //Commit the transaction
                if (cleanupTransaction == true)
                {
                    Transaction.Commit();
                }
                //Close the connection
                if (cleanupConnection == true)
                {
                    Connection.Close();
                }
                #endregion
            }
            catch (Exception ex)
            {
                try
                {
                    if (cleanupTransaction == true && Transaction != null)
                    {
                        Transaction.Rollback();
                    }
                }
                catch { }

                try
                {
                    if (cleanupConnection == true && Connection != null)
                    {
                        Connection.Close();
                    }
                }
                catch { }

                throw new Exception("Exception occured in method cls_Get_Billing_History_and_TreatmentNumber", ex);
            }
            return(functionReturn);
        }
        protected static FR_L6BH_GBHaTNfTID_1039 Execute(DbConnection Connection, DbTransaction Transaction, P_L6BH_GBHaTNfTID_1039 Parameter, CSV2Core.SessionSecurity.SessionSecurityTicket securityTicket = null)
        {
            #region UserCode
            var returnValue = new FR_L6BH_GBHaTNfTID_1039();
            returnValue.Result = new L6BH_GBHaTNfTID_1039();
            List <L5BH_GBHfTID_1415> billHistory = new List <L5BH_GBHfTID_1415>();
            List <L6BH_GBHaTNfTID_1039_TreatmentNumberandTreatmentID> TreatmentNumberandTreatmentID = new List <L6BH_GBHaTNfTID_1039_TreatmentNumberandTreatmentID>();
            List <L5BH_GBSfSHID_1402> BillHistoryStatusAndHeaderID = new List <L5BH_GBSfSHID_1402>();
            returnValue.Result.billHistory = billHistory.ToArray();
            returnValue.Result.TreatmentNumberandTreatmentID = TreatmentNumberandTreatmentID.ToArray();
            returnValue.Result.BillHistoryStatusAndHeaderID  = BillHistoryStatusAndHeaderID.ToArray();
            returnValue.Result.CurrentPage      = 1;
            returnValue.Result.NumberOfPages    = 1;
            returnValue.Result.NumberOfElements = 0;
            List <String> StatusesThatAreNotChecked = new List <String>();

            /*
             * @get billHistory
             * */
            P_L5BH_GBHfTID_1415 par = new P_L5BH_GBHfTID_1415();
            if (Parameter.IsASC_Order == false)
            {
                par.OrderBy = "DESC";
            }
            else
            {
                par.OrderBy = "ASC";
            }
            par.OrderValue       = Parameter.OrderValue;
            par.StartIndex       = (Parameter.PageClicked - 1) * Parameter.NumberOfElementsPerPage;
            par.NumberOfElements = Parameter.NumberOfElementsPerPage;

            if (Parameter.BillStatusID.Length == 0)
            {
                List <String> listWithGuidEmpty = new List <String>();// we use this when no status is checked
                String        empty             = String.Empty;
                listWithGuidEmpty.Add(empty);
                Parameter.BillStatusID = listWithGuidEmpty.ToArray();
            }


            // set statuses that are IN and NOT IN

            for (int i = 0; i < 8; i++)
            {
                StatusesThatAreNotChecked.Add(i.ToString());
            }

            foreach (var item in Parameter.BillStatusID.ToList())//remove statuses from StatusesThatAreNotChecked that are checked
            {
                StatusesThatAreNotChecked.Remove(item);
            }

            string InParameters = "";

            for (int i = 0; i < Parameter.BillStatusID.Length; i++)
            {
                if (i != Parameter.BillStatusID.Length - 1)
                {
                    InParameters += Parameter.BillStatusID[i] + ",";
                }
                else
                {
                    InParameters += Parameter.BillStatusID[i];
                }
            }

            par.InParameters = InParameters;

            string NOTInParameters = "";

            for (int i = 0; i < StatusesThatAreNotChecked.Count; i++)
            {
                if (i != StatusesThatAreNotChecked.Count - 1)
                {
                    NOTInParameters += StatusesThatAreNotChecked[i] + ",";
                }
                else
                {
                    NOTInParameters += StatusesThatAreNotChecked[i];
                }
            }

            par.NotInParameters = NOTInParameters;

            String searchCriterium = "";

            if (Parameter.PatientFirstName != null && Parameter.PatientFirstName != "")
            {
                searchCriterium = " AND LOWER( cmn_per_personinfo.FirstName ) LIKE '%" + Parameter.PatientFirstName.ToLower() + "%'";
            }

            if (Parameter.PatientLastName != null && Parameter.PatientLastName != "")
            {
                searchCriterium = searchCriterium + " AND LOWER( cmn_per_personinfo.LastName ) LIKE '%" + Parameter.PatientLastName.ToLower() + "%'";
            }

            if (Parameter.BillID_From != 0)
            {
                searchCriterium = searchCriterium + " AND bil_billheaders.BillNumber >= " + Parameter.BillID_From;
            }

            if (Parameter.BillID_To != 0)
            {
                searchCriterium = searchCriterium + " AND bil_billheaders.BillNumber <= " + Parameter.BillID_To;
            }

            if (Parameter.ProcessNumber_From != 0)
            {
                searchCriterium = searchCriterium + " AND bil_billpositions.External_PositionReferenceField >= " + Parameter.ProcessNumber_From;
            }

            if (Parameter.ProcessNumber_To != 0)
            {
                searchCriterium = searchCriterium + " AND bil_billpositions.External_PositionReferenceField <= " + Parameter.ProcessNumber_To;
            }

            if (Parameter.DateFrom != null && Parameter.DateFrom != "")
            {
                searchCriterium = searchCriterium + " AND hec_patient_treatment.IfTreatmentPerformed_Date >= '" + Parameter.DateFrom + "'";
            }

            if (Parameter.DateTo != null && Parameter.DateTo != "")
            {
                searchCriterium = searchCriterium + " AND hec_patient_treatment.IfTreatmentPerformed_Date <= '" + Parameter.DateTo + "'";
            }

            par.SearchCriterium = searchCriterium;

            //get number of pages to display in pager

            P_L5BH_GBHCfT_1334 para = new P_L5BH_GBHCfT_1334();

            para.BillStatusID    = Parameter.BillStatusID;
            para.SearchCriterium = searchCriterium;

            var value = cls_Get_Billing_History_Count_for_TenantID.Invoke(Connection, Transaction, para, securityTicket).Result;

            int numberOfElements = value.NumberOfElements;
            returnValue.Result.NumberOfElements = value.NumberOfElements;
            int pageCount = (numberOfElements + Parameter.NumberOfElementsPerPage - 1) / Parameter.NumberOfElementsPerPage;

            returnValue.Result.CurrentPage   = Parameter.PageClicked;
            returnValue.Result.NumberOfPages = pageCount;

            List <L5BH_GBHfTID_1415> billHistoryList = cls_Get_BillingHistory_for_TenantID.Invoke(Connection, Transaction, par, securityTicket).Result.ToList();

            List <L5BH_GBHfTID_1415> temp         = billHistoryList.GroupBy(t => t.TreatmentID).Select(g => g.First()).ToList();
            List <L5BH_GBHfTID_1415> tempHeaderID = billHistoryList.GroupBy(t => t.BIL_BillHeaderID).Select(g => g.First()).ToList();

            List <Guid>             treatmentIDList         = new List <Guid>();
            Dictionary <Guid, Guid> patientIDandTreatmentID = new Dictionary <Guid, Guid>();
            List <Guid>             headerIDList            = new List <Guid>();

            foreach (var item in temp)
            {
                patientIDandTreatmentID.Add(item.TreatmentID, item.PatientID);
            }

            foreach (var item in tempHeaderID)
            {
                headerIDList.Add(item.BIL_BillHeaderID);
            }

            returnValue.Result.billHistory = billHistoryList.ToArray();

            //get bill status
            P_L5BH_GBSfSHID_1402 billStatusParam = new P_L5BH_GBSfSHID_1402();
            billStatusParam.BillHeaderID = headerIDList.ToArray();
            try
            {
                BillHistoryStatusAndHeaderID = cls_Get_BillStatus_for_BillHeaderID.Invoke(Connection, Transaction, billStatusParam, securityTicket).Result.ToList();
            }
            catch { }
            returnValue.Result.BillHistoryStatusAndHeaderID = BillHistoryStatusAndHeaderID.ToArray();

            /*
             * @get Treatment number and join it with Treatment ID
             * */
            List <L6BH_GBHaTNfTID_1039_TreatmentNumberandTreatmentID> TreatmentNumberAndIDList = new List <L6BH_GBHaTNfTID_1039_TreatmentNumberandTreatmentID>();

            foreach (var key in patientIDandTreatmentID.Keys)
            {
                L6BH_GBHaTNfTID_1039_TreatmentNumberandTreatmentID treatmentNumberAndTreatmentID = new L6BH_GBHaTNfTID_1039_TreatmentNumberandTreatmentID();
                treatmentNumberAndTreatmentID.TreatmentID = key;


                P_L5TR_GTIDaTDfPID_1130 par1 = new P_L5TR_GTIDaTDfPID_1130();
                par1.PatientID = patientIDandTreatmentID[key];

                var patientTreatments = cls_Get_TreatmentId_and_TreatmentDate_for_PatientID.Invoke(Connection, Transaction, par1, securityTicket).Result.ToList();


                patientTreatments = patientTreatments.OrderBy(i => i.TreatmentDate).ToList();

                if (patientTreatments.Count != 0)
                {
                    var patientTreatment = patientTreatments.Where(i => i.TreatmentID == key).First();

                    treatmentNumberAndTreatmentID.TreatmentNumber = patientTreatments.IndexOf(patientTreatment) + 1;
                }
                TreatmentNumberAndIDList.Add(treatmentNumberAndTreatmentID);
            }


            returnValue.Result.TreatmentNumberandTreatmentID = TreatmentNumberAndIDList.ToArray();

            return(returnValue);

            #endregion UserCode
        }