Server.Models.Comment.createComment C# (CSharp) Méthode

        public string createComment(string Comment, int PostID)
        {
            try
            {
                using (var ctx = new CommentContext())
                {
                    Comment comment = new Comment()
                    {

                        CommentText = Comment,
                        PostID = PostID,
                        CommentDate = new DateTime()
                    };
                    ctx.Comments.Add(comment);
                    ctx.SaveChanges();
                }
                return "ok";
            }
            catch (Exception)
            {
                return "fail";
            }
        }