public String DeletePost(String IDPost)
        {
            ReviewFilmService reviewS = new ReviewFilmService();
            bool result = reviewS.deletePost(IDPost);

            if (result)
                return "success";
            else
                return "failed";
        }
 public string DeletePost(string codeReview)
 {
     ReviewFilmService reviewS = new ReviewFilmService();
     reviewS.deletePost(codeReview);
     return "";
 }