public ResponseMessageWrap <int> DeleteById(long id)
 {
     return(new ResponseMessageWrap <int>
     {
         Body = QuestionPreviewService.DeleteById(id)
     });
 }
 public ResponseMessageWrap <int> Update([FromBody] QuestionPreview questionPreview)
 {
     return(new ResponseMessageWrap <int>
     {
         Body = QuestionPreviewService.Update(questionPreview)
     });
 }
 public QuestionPreviewController(QuestionPreviewService questionPreviewService, IQuestionPreviewRepository questionPreviewRepository)
 {
     QuestionPreviewService    = questionPreviewService;
     QuestionPreviewRepository = questionPreviewRepository;
 }