public ActionResult PutNewRightAnswer([FromBody] AnswerWithoutIDInputModel answer) { QuestionCRUD question = new QuestionCRUD(); if (!question.GetAll().Any(x => x.ID == answer.QuestionID)) { return(BadRequest("Вопроса с таким ID не существует")); } AuthorDataAccess author = new AuthorDataAccess(); return(Ok(author.UpdateRightAnswer(answer.QuestionID, answer.Value))); }