public ActionResult AddNews(NewsModel NewsModel) { var Newsdao = new NewsDao(); var News = new NEWS(); if (ModelState.IsValid)//kiem tra xem form co rong hay khong { News.newsTitle = NewsModel.newsTitle; News.newsImg = NewsModel.newsImg; News.newsContent = NewsModel.newsContent; News.newsType = NewsModel.newsType; long id = Newsdao.AddNews(News); if (id < 0) { ModelState.AddModelError("", "Thêm thất bại"); return(RedirectToAction("AddNews", "News")); } else { ViewData["success"] = "Thêm News thành công"; } } return(View()); }