public ActionResult Edit([Bind(Include = "Id,LastName,FirstName,Phone,Email,SellerAccount,Login,Password")] Seller seller)
        {
            if (ModelState.IsValid)
            {
                // Modification du vendeur dans le SecurityContext du projet ASP.NET
                using (var secudb = new SecurityDbContext())
                {
                    UserManager <MyIdentityUser> userManager = new MyIdentityUserManager(new UserStore <MyIdentityUser>(secudb));
                    var sellerToRemove = userManager.FindByEmail(seller.Email);
                    var res            = userManager.Delete(sellerToRemove);
                    if (!res.Succeeded)
                    {
                        throw new System.Exception("database remove fail");
                    }

                    IdentityRole   userRole   = RoleUtils.CreateOrGetRole("User");
                    MyIdentityUser sellerUser = new MyIdentityUser()
                    {
                        UserName = seller.Login, Email = seller.Email, Login = seller.Login
                    };;
                    var result = userManager.Create(sellerUser, seller.Password);
                    if (!result.Succeeded)
                    {
                        throw new System.Exception("database insert fail");
                    }
                    RoleUtils.AssignRoleToUser(userRole, sellerUser);
                }

                // Modification du vendeur dans le ProductContext du projet librairie
                db.Entry(seller).State = EntityState.Modified;
                db.SaveChanges();
                return(RedirectToAction("Index"));
            }
            return(View(seller));
        }
        public ActionResult DeleteConfirmed(int id)
        {
            Seller seller = db.Sellers.Find(id);

            db.Sellers.Remove(seller);
            db.SaveChanges();

            using (var secudb = new SecurityDbContext())
            {
                UserManager <MyIdentityUser> userManager = new MyIdentityUserManager(new UserStore <MyIdentityUser>(secudb));
                var sellerToRemove = userManager.FindByEmail(seller.Email);
                var res            = userManager.Delete(sellerToRemove);
                if (!res.Succeeded)
                {
                    throw new System.Exception("database remove fail");
                }
            }
            return(RedirectToAction("Index"));
        }