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我一直在玩与周围的XamlAsyncController,这是基于ASP.NET MVC 2,试了一下升级到MVC 3。然而,尽管原始应用工程确定,如果我尝试运行它在MVC 3中,当试图访问ValueProvider时,我得到一个NullReferenceException。无法访问ControllerBase.ValueProvider
我试着明确加载在Application_Start默认值提供:
protected void Application_Start()
{
AreaRegistration.RegisterAllAreas();
ValueProviderFactories.Factories.Add(new RouteDataValueProviderFactory());
ValueProviderFactories.Factories.Add(new FormValueProviderFactory());
ValueProviderFactories.Factories.Add(new HttpFileCollectionValueProviderFactory());
ValueProviderFactories.Factories.Add(new QueryStringValueProviderFactory());
RegisterGlobalFilters(GlobalFilters.Filters);
RegisterRoutes(RouteTable.Routes);
BootstrapContainer();
}
我使用温莎城堡3管理的IoC。有没有人有任何想法为什么ControllerBase.ValueProvider将为空?