• “/”应用程序中的服务器错误 。

    未将对象引用设置到对象的实例 。

    说明: 执行当前 Web 请求期间 ,出现未经处理的异常 。请检查堆栈跟踪信息 ,以了解有关该错误以及代码中导致错误的出处的详细信息 。

    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
    。]
       System.Data.Entity.Core.Objects.ELinq.QueryParameterExpression.evalsuateParameter(Object[] arguments) +414
       System.Data.Entity.Core.Objects.ELinq.ELinqQueryState.GetExecutionPlan(Nullable`1 forMergeOption) +1488
       System.Data.Entity.Core.Objects.<>c__DisplayClass7.<GetResults>b__6() +38
       System.Data.Entity.Core.Objects.ObjectContext.ExecuteInTransaction(Func`1 func, IDbExecutionStrategy executionStrategy, Boolean startLocalTransaction, Boolean releaseConnectionOnSuccess) +462
       System.Data.Entity.Core.Objects.<>c__DisplayClass7.<GetResults>b__5() +203
       System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute(Func`1 operation) +234
       System.Data.Entity.Core.Objects.ObjectQuery`1.GetResults(Nullable`1 forMergeOption) +357
       System.Data.Entity.Core.Objects.ObjectQuery`1.<System.Collections.Generic.IEnumerable<T>.GetEnumerator>b__0() +30
       System.Data.Entity.Internal.LazyEnumerator`1.MoveNext() +39
       System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) +453
       System.Linq.Enumerable.ToList(IEnumerable`1 source) +73
       IronPower.App.Controllers.HomeController.Page(String id) in D:\projects\TB体育\src\src\IronPower.App\Controllers\HomeController.cs:82
       lambda_method(Closure , ControllerBase , Object[] ) +139
       System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +229
       System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +35
       System.Web.Mvc.Async.AsyncControllerActionInvoker.<BeginInvokeSynchronousActionMethod>b__39(IAsyncResult asyncResult, ActionInvocation innerInvokeState) +39
       System.Web.Mvc.Async.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult) +77
       System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) +42
       System.Web.Mvc.Async.AsyncInvocationWithFilters.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3d() +72
       System.Web.Mvc.Async.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f() +396
       System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) +42
       System.Web.Mvc.Async.<>c__DisplayClass2b.<BeginInvokeAction>b__1c() +38
       System.Web.Mvc.Async.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult) +188
       System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +38
       System.Web.Mvc.Controller.<BeginExecuteCore>b__1d(IAsyncResult asyncResult, ExecuteCoreState innerState) +32
       System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +73
       System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +52
       System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +39
       System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +38
       System.Web.Mvc.MvcHandler.<BeginProcessRequest>b__5(IAsyncResult asyncResult, ProcessRequestState innerState) +46
       System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +73
       System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +38
       System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +431
       System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +75
       System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +158
    


    版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.8.4330.0