protected void Application_Start()
{
AreaRegistration.RegisterAllAreas();
WebApiConfig.Register(GlobalConfiguration.Configuration);
FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
RouteConfig.RegisterRoutes(RouteTable.Routes);
BundleConfig.RegisterBundles(BundleTable.Bundles);
//IOC
var container = new UnityContainer();
container.Install(new WebApiInstaller());
//set IOC resolver
GlobalConfiguration.Configuration.DependencyResolver = new UnityResolver(container);
}