public IActionResult Create(RegionViewModels regionModel) { RegionContext regionContext = new RegionContext(connectionString); regionModel.Region = regions(); IActionResult retour = null; if (ModelState.IsValid) { Region region = new Region(); region.Identifiant = regionModel.Identifiant; region.Nom = regionModel.Nom; bool isOK = regionContext.Insert(region); retour = RedirectToAction("Index"); } else { retour = View(regionModel); } return(retour); }