public async Task <ActionResult> AddBrand(BrandModel brandModel) { if (brandModel != null) { try { await _modelManager.AddBrand(brandModel); TempData["message"] = "Brand Added!!!"; return(RedirectToAction("AddBrand")); } catch (BrandNameAlreadyPresent e) { TempData["message"] = e.Message; return(View("AddBrand")); } } else { return(View("Null")); } }