public IActionResult EditCandidate(int id)
        {
            var candidate     = _dataRepository.GetCandidate(id);
            var editCandidate = new EditCandidate();

            if (candidate != null)
            {
                editCandidate = ConvertModel.CandidateToEditCandidate(candidate, _dataRepository);
            }

            return(View(editCandidate));
        }