public async Task <IActionResult> Upsert(PathWayVM obj) { string token = HttpContext.Session.GetString("JWToken"); if (ModelState.IsValid) { //Create if (obj.PathWay.Id == 0) { await _dbPW.CreateAsync(_urlPW, obj.PathWay, token); } //Update else { await _dbPW.UpdateAsync(_urlPW, obj.PathWay.Id, obj.PathWay, token); } TempData["Alert"] = "Modify Successfully !"; return(RedirectToAction(nameof(Index))); } else { // Fix the validation not working when Create with 0 information added IEnumerable <University> listUni = await _dbUNI.GetAllAsync(_urlUNI, token); PathWayVM pwVM = new PathWayVM() { UniversityList = listUni.Select(c => new SelectListItem { Text = c.Name, Value = c.Id.ToString() }), PathWay = obj.PathWay }; return(View(pwVM)); } }