private static void Seed(IBillService billService) { if (!billService.GetBillValuesAsync().Result.Any()) { billService.AddBillsAsync(new List <Bill> { new Bill { Value = 5, Quantity = 20 }, new Bill { Value = 10, Quantity = 60 }, new Bill { Value = 20, Quantity = 80 }, new Bill { Value = 50, Quantity = 100 } }); } }