public ActionResult SubmitArticle(tbl_Article a)
        {
            a.User_Id = db.tbl_Users.SingleOrDefault(x => x.Username == HttpContext.User.Identity.Name).User_Id;

            MyService.ServiceController myServiceController = new MyService.ServiceController();
            myServiceController.SubmitNewArticle(a.Article_Name, a.Article_Description, a.Article_PublishDate, a.User_Id,
                a.MedaManager_Id, a.ArticleStatus_Id, a.Article_State_Id, Convert.ToInt32(a.ArticleComment_Id), "TextArticle");

            ViewBag.MediaManager_ID =
                    new SelectList(
                        db.tbl_Users.Where(
                            x => x.Role_Id == 2),
                        "User_Id", "Username");
            return View();
        }