public IActionResult Edit(int id)
{
RegionContext regionContext = new RegionContext(connectionString);
Region region = regionContext.Get(id);
RegionViewModels regionModel = new RegionViewModels();
regionModel.Identifiant = region.Identifiant;
regionModel.Nom = region.Nom;
regionModel.Region = regions();
return(View(regionModel));
}