public static TSubmitChangesResult SaveData(string ATablename,
                                                    ref TTypedDataTable ASubmitTable, out TVerificationResultCollection AVerificationResult)
        {
            // check access permissions for the current user
            TModuleAccessManager.CheckUserPermissionsForTable(ATablename, TTablePermissionEnum.eCanModify | TTablePermissionEnum.eCanModify | TTablePermissionEnum.eCanDelete);

            TSubmitChangesResult          ReturnValue        = TSubmitChangesResult.scrError;
            TTypedDataTable               SubmitTable        = null;
            TVerificationResultCollection VerificationResult = null;
            TDBTransaction WriteTransaction = new TDBTransaction();
            TDataBase      db = DBAccess.Connect("SaveData");

            SubmitTable = ASubmitTable;
            bool submitOK = true;

            // Automatic handling of a DB Transaction - and also the automatic establishment and closing of a DB
            // Connection where a DB Transaction can be exectued (only if that should be needed).
            db.WriteTransaction(
                ref WriteTransaction,
                ref submitOK,
                delegate
            {
                ReturnValue = SaveData(ATablename, ref SubmitTable, out VerificationResult, WriteTransaction);
                submitOK    = ReturnValue == TSubmitChangesResult.scrOK;
            });

            AVerificationResult = VerificationResult;

            if ((ATablename == SSystemDefaultsTable.GetTableDBName()) && (ReturnValue == TSubmitChangesResult.scrOK))
            {
                // TODO Reload the site key into the session, in case that was changed
            }

            return(ReturnValue);
        }
        public static void GetData(string ATablename, TSearchCriteria[] ASearchCriteria, out TTypedDataTable AResultTable,
                                   TDBTransaction AReadTransaction)
        {
            AResultTable = null;
            string context = string.Format("GetData {0}", SharedConstants.MODULE_ACCESS_MANAGER);

            // check access permissions for the current user
            TModuleAccessManager.CheckUserPermissionsForTable(ATablename, TTablePermissionEnum.eCanRead);

            // TODO: auto generate
            if (ATablename == AApSupplierTable.GetTableDBName())
            {
                AResultTable = AApSupplierAccess.LoadUsingTemplate(ASearchCriteria, AReadTransaction);
            }
            else if (ATablename == AApDocumentTable.GetTableDBName())
            {
                AResultTable = AApDocumentAccess.LoadUsingTemplate(ASearchCriteria, AReadTransaction);
            }
            else if (ATablename == ATransactionTypeTable.GetTableDBName())
            {
                AResultTable = ATransactionTypeAccess.LoadUsingTemplate(ASearchCriteria, AReadTransaction);
            }
            else if (ATablename == ACurrencyTable.GetTableDBName())
            {
                AResultTable = ACurrencyAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == ADailyExchangeRateTable.GetTableDBName())
            {
                AResultTable = ADailyExchangeRateAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == ACorporateExchangeRateTable.GetTableDBName())
            {
                AResultTable = ACorporateExchangeRateAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == ACurrencyLanguageTable.GetTableDBName())
            {
                AResultTable = ACurrencyLanguageAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == AFeesPayableTable.GetTableDBName())
            {
                AResultTable = AFeesPayableAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == AFeesReceivableTable.GetTableDBName())
            {
                AResultTable = AFeesReceivableAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == AAnalysisTypeTable.GetTableDBName())
            {
                AResultTable = AAnalysisTypeAccess.LoadUsingTemplate(ASearchCriteria, AReadTransaction);
            }
            else if (ATablename == AGiftBatchTable.GetTableDBName())
            {
                AResultTable = AGiftBatchAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == AJournalTable.GetTableDBName())
            {
                AResultTable = AJournalAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == ALedgerTable.GetTableDBName())
            {
                AResultTable = ALedgerAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == MExtractMasterTable.GetTableDBName())
            {
                if (ASearchCriteria == null)
                {
                    AResultTable = MExtractMasterAccess.LoadAll(AReadTransaction);
                }
                else
                {
                    AResultTable = MExtractMasterAccess.LoadUsingTemplate(ASearchCriteria, AReadTransaction);
                }
            }
            else if (ATablename == MExtractTable.GetTableDBName())
            {
                // it does not make sense to load ALL extract rows for all extract masters so search criteria needs to be set
                if (ASearchCriteria != null)
                {
                    AResultTable = MExtractAccess.LoadUsingTemplate(ASearchCriteria, AReadTransaction);
                }
            }
            else if (ATablename == PcAttendeeTable.GetTableDBName())
            {
                AResultTable = PcAttendeeAccess.LoadUsingTemplate(ASearchCriteria, AReadTransaction);
            }
            else if (ATablename == PcConferenceCostTable.GetTableDBName())
            {
                AResultTable = PcConferenceCostAccess.LoadUsingTemplate(ASearchCriteria, AReadTransaction);
            }
            else if (ATablename == PcEarlyLateTable.GetTableDBName())
            {
                AResultTable = PcEarlyLateAccess.LoadUsingTemplate(ASearchCriteria, AReadTransaction);
            }
            else if (ATablename == PcSupplementTable.GetTableDBName())
            {
                AResultTable = PcSupplementAccess.LoadUsingTemplate(ASearchCriteria, AReadTransaction);
            }
            else if (ATablename == PcDiscountTable.GetTableDBName())
            {
                AResultTable = PcDiscountAccess.LoadUsingTemplate(ASearchCriteria, AReadTransaction);
            }
            else if (ATablename == PCountryTable.GetTableDBName())
            {
                AResultTable = PCountryAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == PFormTable.GetTableDBName())
            {
                string[]         columns   = TTypedDataTable.GetColumnStringList(PFormTable.TableId);
                StringCollection fieldList = new StringCollection();

                for (int i = 0; i < columns.Length; i++)
                {
                    // Do not load the template document - we don't display it and it is big!
                    if (columns[i] != PFormTable.GetTemplateDocumentDBName())
                    {
                        fieldList.Add(columns[i]);
                    }
                }

                AResultTable = PFormAccess.LoadAll(fieldList, AReadTransaction);
            }
            else if (ATablename == PInternationalPostalTypeTable.GetTableDBName())
            {
                AResultTable = PInternationalPostalTypeAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == PtApplicationTypeTable.GetTableDBName())
            {
                AResultTable = PtApplicationTypeAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == PFormalityTable.GetTableDBName())
            {
                AResultTable = PFormalityAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == PMailingTable.GetTableDBName())
            {
                AResultTable = PMailingAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == PPartnerGiftDestinationTable.GetTableDBName())
            {
                AResultTable = PPartnerGiftDestinationAccess.LoadUsingTemplate(ASearchCriteria, AReadTransaction);
            }
            else if (ATablename == PmDocumentTypeTable.GetTableDBName())
            {
                AResultTable = PmDocumentTypeAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == SGroupTable.GetTableDBName())
            {
                TSecurityChecks.CheckUserModulePermissions(SharedConstants.PETRAMODULE_SYSADMIN, context);
                AResultTable = SGroupAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == SSystemDefaultsTable.GetTableDBName())
            {
                TSecurityChecks.CheckUserModulePermissions(SharedConstants.PETRAMODULE_SYSADMIN, context);
                AResultTable = SSystemDefaultsAccess.LoadAll(AReadTransaction);
            }
            else if (ATablename == SSystemDefaultsGuiTable.GetTableDBName())
            {
                AResultTable = SSystemDefaultsGuiAccess.LoadAll(AReadTransaction);
            }
            else
            {
                throw new Exception("TCommonDataReader.GetData: unknown table " + ATablename);
            }

            // Accept row changes here so that the Client gets 'unmodified' rows
            AResultTable.AcceptChanges();
        }