public static void RegisterComponents()
{
var container = new UnityContainer();
// register all your components with the container here
// it is NOT necessary to register your controllers
// e.g. container.RegisterType<ITestService, TestService>();
container.RegisterType <MyAppDbContext>(new InjectionFactory(c => { return(MyAppDbContext.Create()); }));
container.RegisterType <IAddressRepo, AddressRepo>();
container.RegisterType <IContactRepo, ContactRepo>();
GlobalConfiguration.Configuration.DependencyResolver = new UnityDependencyResolver(container);
}