// выбираем переработки сотрудников из таблицы OverhoursManagement
    public List<OverhoursManagement> getEmployeesOverhoursManagement(string employee_id, string start_period, string begda, string endda, bool downloaded)
    {
        SQLDB sql = new SQLDB();

        List<OverhoursManagement> current = sql.getOverhoursManagement(employee_id, start_period, begda, endda, downloaded);

        return current;
    }