public QuestionRefKnowledgeController(QuestionRefKnowledgeService questionRefKnowledgeService, IQuestionRefKnowledgeRepository questionRefKnowledgeRepository)
 {
     QuestionRefKnowledgeService    = questionRefKnowledgeService;
     QuestionRefKnowledgeRepository = questionRefKnowledgeRepository;
 }
 public QuestionRefKnowledgeService(IQuestionRefKnowledgeRepository questionRefKnowledgeRepository)
 {
     QuestionRefKnowledgeRepository = questionRefKnowledgeRepository;
 }