public async Task SeedAsync() { Context.Database.EnsureCreated(); UserShop user = await this.userManager.FindByEmailAsync("*****@*****.**"); if (user == null) { user = new UserShop { FirstName = "Ahmad", LastName = "Haseeb", Email = "*****@*****.**", UserName = "******" }; var result = await this.userManager.CreateAsync(user, "P@ssw0rd!"); if (result != IdentityResult.Success) { throw new InvalidOperationException("Could not create new user In Seeder"); } } if (!Context.Products.Any()) { string filepath = Path.Combine(hosting.ContentRootPath, "Data/art.json"); string json = File.ReadAllText(filepath); var products = JsonConvert.DeserializeObject <IEnumerable <Product> >(json); Context.AddRange(products); Order order = new Order() { User = user, OrderDate = DateTime.UtcNow, OrderNumber = "12345", Items = new List <OrderItem>() { new OrderItem() { Product = products.First(), Quantity = 5, UnitPrice = products.First().Price } } }; Context.Add(order); } Context.SaveChanges(); }