public IActionResult UpdateExamQuestion(ExamQuestion.QuestionType type, int id, int examid, string stem, [FromBody] object[] parameters)
 {
     try
     {
         return(Ok(questionBll.UpdateExamQuestion(type, id, examid, stem, parameters)));
     }
     catch (Exception e)
     {
         return(NotFound(e.Message));
     }
 }