public ActionResult Create(Slide slide) { //SetViewBag(); if (ModelState.IsValid) { var dao = new SlideDAO(); var UserSession = (UserSession)Session[CommondConstant.USER_SESSION]; slide.CreatedBy = UserSession.Username; if (dao.InsertSlide(slide)) { SetAlert("Add the new slide sucessfully!", "success"); return(RedirectToAction("Index", "Slide")); } else { ModelState.AddModelError("", "An error when add the Slide!"); } } return(View()); }