public void update(DesignationDto Designation_dto)
        {
            try
            {
                using (TransactionScope tx = new TransactionScope(TransactionScopeOption.Required))
                {
                    Designation Designation = _DesignationRepository.getById(Designation_dto.Designation_id);

                    if (Designation == null)
                    {
                        throw new ItemNotFoundException($"Designation with ID {Designation_dto.Designation_id} doesnot Exit.");
                    }

                    _DesignationMaker.copy(ref Designation, Designation_dto);
                    _DesignationRepository.update(Designation);
                    tx.Complete();
                }
            }
            catch (Exception)
            {
                throw;
            }
        }