protected override void doUpdateNoTransaction(EventJournal en)
        {
            try
            {
                CustomerInvoiceJournal e = (CustomerInvoiceJournal)en;
                m_command.CommandText = e.GetUpdateSQL();
                m_command.ExecuteNonQuery();

                foreach (CustomerInvoiceJournalItem sti in e.EVENT_JOURNAL_ITEMS)
                {
                    if (sti.ID > 0)
                    {
                        m_command.CommandText = sti.GetUpdateSQL();
                        m_command.ExecuteNonQuery();
                    }
                    else
                    {
                        m_command.CommandText = sti.GetInsertSQL();
                        m_command.ExecuteNonQuery();
                        m_command.CommandText = CustomerInvoiceJournalItem.SelectMaxIDSQL();
                        sti.ID = Convert.ToInt32(m_command.ExecuteScalar());
                    }
                }
                m_command.CommandText = CustomerInvoiceJournalItem.DeleteUpdate(e.ID, e.EVENT_JOURNAL_ITEMS);
                m_command.ExecuteNonQuery();
            }
            catch (Exception x)
            {
                throw x;
            }
        }
        protected override void doUpdate(EventJournal en)
        {
            MySql.Data.MySqlClient.MySqlTransaction trc = m_connection.BeginTransaction();
            m_command.Transaction = trc;
            try
            {
                CustomerInvoiceJournal e = (CustomerInvoiceJournal)en;
                m_command.CommandText = e.GetUpdateSQL();
                m_command.ExecuteNonQuery();

                foreach (CustomerInvoiceJournalItem sti in e.EVENT_JOURNAL_ITEMS)
                {
                    if (sti.ID > 0)
                    {
                        m_command.CommandText = sti.GetUpdateSQL();
                        m_command.ExecuteNonQuery();
                    }
                    else
                    {
                        m_command.CommandText = sti.GetInsertSQL();
                        m_command.ExecuteNonQuery();
                        m_command.CommandText = CustomerInvoiceJournalItem.SelectMaxIDSQL();
                        sti.ID = Convert.ToInt32(m_command.ExecuteScalar());
                    }
                }
                m_command.CommandText = CustomerInvoiceJournalItem.DeleteUpdate(e.ID, e.EVENT_JOURNAL_ITEMS);
                m_command.ExecuteNonQuery();
                trc.Commit();
            }
            catch (Exception x)
            {
                trc.Rollback();
                throw x;
            }
        }