自创建数据库以来,支持<Database>上下文的模型已更改
错误消息: “自创建数据库以来,支持'AddressBook'上下文的模型已更改。要么手动删除/更新数据库,要么使用IDatabaseInitializer实例调用Database.SetInitializer。例如,RecreateDatabaseIfModelChanges策略将自动删除并重新创建数据库,并且(可选)用新数据作为种子。” 我正在尝试使用代码优先功能,以下是我写的内容: var modelBuilder = new ModelBuilder(); var model = modelBuilder.CreateModel(); using (AddressBook context = new AddressBook(model)) { var contact = new Contact { ContactID = 10000, FirstName = "Brian", LastName = "Lara", ModifiedDate = DateTime.Now, AddDate = DateTime.Now, Title = "Mr." }; context.contacts.Add(contact); int result = context.SaveChanges(); Console.WriteLine("Result …