异常详细信息: System.NullReferenceException: 未将对象引用设置到对象的实例。
源错误:
执行当前 Web 请求期间生成了未经处理的异常。可以使用下面的异常堆栈跟踪信息确定有关异常原因和发生位置的信息。 堆栈跟踪: [NullReferenceException: 未将对象引用设置到对象的实例。]WebTraining.Controllers.PortalController.ViewDetail(String p_Id) +5875lambda_method(Closure , ControllerBase , Object[] ) +104System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) +14System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +157System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +27System.Web.Mvc.Async.AsyncControllerActionInvoker.b__39(IAsyncResult asyncResult, ActionInvocation innerInvokeState) +22System.Web.Mvc.Async.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult) +29System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) +32System.Web.Mvc.Async.AsyncInvocationWithFilters.b__3d() +50System.Web.Mvc.Async.c__DisplayClass46.b__3f() +228System.Web.Mvc.Async.c__DisplayClass33.b__32(IAsyncResult asyncResult) +10System.Web.Mvc.Async.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult) +10System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) +34System.Web.Mvc.Async.c__DisplayClass2b.b__1c() +26System.Web.Mvc.Async.c__DisplayClass21.b__1e(IAsyncResult asyncResult) +100System.Web.Mvc.Async.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult) +10System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +27System.Web.Mvc.Controller.b__1d(IAsyncResult asyncResult, ExecuteCoreState innerState) +13System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +29System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +36System.Web.Mvc.Controller.b__15(IAsyncResult asyncResult, Controller controller) +12System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +22System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +26System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +10System.Web.Mvc.MvcHandler.b__5(IAsyncResult asyncResult, ProcessRequestState innerState) +21System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +29System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +28System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +9850009System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +50System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +163 版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.8.4330.0