“/”应用程序中的服务器错误。

[ArgumentException: 对于“ErDao.Web.Controllers.NewsController”中方法“System.Web.Mvc.ActionResult Detail(System.Guid)”的不可以为 null 的类型“System.Guid”的参数“id”，参数字典包含一个 null 项。可选参数必须为引用类型、可以为 null 的类型或声明为可选参数。 参数名: parameters] System.Web.Mvc.ActionDescriptor.ExtractParameterFromDictionary(ParameterInfo parameterInfo, IDictionary`2 parameters, MethodInfo methodInfo) 13505050505System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) 13505050505System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) 13505050505System.Web.Mvc.Async.<>c.<BeginInvokeSynchronousActionMethod>b__9_0(IAsyncResult asyncResult, ActionInvocation innerInvokeState) 13505050505System.Web.Mvc.Async.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult) 13505050505System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) 13505050505System.Web.Mvc.Async.<>c__DisplayClass11_0.<InvokeActionMethodFilterAsynchronouslyRecursive>b__0() 13505050505System.Web.Mvc.Async.<>c__DisplayClass11_2.<InvokeActionMethodFilterAsynchronouslyRecursive>b__2() 13505050505System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) 13505050505System.Web.Mvc.Async.<>c__DisplayClass3_6.<BeginInvokeAction>b__4() 13505050505System.Web.Mvc.Async.<>c__DisplayClass3_1.<BeginInvokeAction>b__1(IAsyncResult asyncResult) 13505050505System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) 13505050505System.Web.Mvc.<>c.<BeginExecuteCore>b__152_1(IAsyncResult asyncResult, ExecuteCoreState innerState) 13505050505System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) 13505050505System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) 13505050505System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) 13505050505System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) 13505050505System.Web.Mvc.<>c.<BeginProcessRequest>b__20_1(IAsyncResult asyncResult, ProcessRequestState innerState) 13505050505System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) 13505050505System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) 13505050505System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() 13505050505System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) 13505050505System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +131