public ActionResult DeleteIngredient(IngredientViewModel model, int?id)
 {
     if (id != null)
     {
         var ingredient = _context.Produkt.Where(p => p.ProduktId == id);
         _context.RemoveRange(ingredient);
         _context.SaveChanges();
     }
     return(RedirectToAction("Ingredient"));
 }
        public async void Delete(string userName, UserManager <IdentityUser> userManager)
        {
            var user = await userManager.FindByNameAsync(userName);

            using (TomasosContext db = new TomasosContext())
            {
                var userRoles = db.UserRoles.Where(r => r.UserId == user.Id);
                db.RemoveRange(userRoles);
                db.Remove(user);
                db.SaveChanges();
            }
        }