public List<EmployerDto> selectAllEmployer()
    {
        EmployerManager mgr = new EmployerManager();
        List<Employer> employerList = mgr.selectAllEmployer();
        List<EmployerDto> dtoList = new List<EmployerDto>();

        foreach (Employer employer in employerList)
        {
            dtoList.Add(EmployerDto.createEmployerDTO(employer));
        }

        return dtoList;
    }