“/”应用程序中的服务器错误。

无法完成该操作,因为 DbContext 已释放。

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.InvalidOperationException: 无法完成该操作,因为 DbContext 已释放。

源错误:


行 75:                         <dd>
行 76:                             @Url.GetCatUrl("全部", "0", "/cartoon/list")
行 77:                             @foreach (var item in ViewData["cat"] as IEnumerable<NN.Info.Model.Models.TVideoType>)
行 78:                             {
行 79: 

源文件: d:\backup\web\v.nn01.cc\Views\Cartoon\Detail.cshtml    行: 77

堆栈跟踪:


[InvalidOperationException: 无法完成该操作,因为 DbContext 已释放。]
   System.Data.Entity.Internal.InternalContext.CheckContextNotDisposed() +84
   System.Data.Entity.Internal.LazyInternalContext.InitializeContext() +32
   System.Data.Entity.Internal.Linq.InternalQuery`1.GetEnumerator() +43
   ASP._Page_Views_Cartoon_Detail_cshtml.Execute() in d:\backup\web\v.nn01.cc\Views\Cartoon\Detail.cshtml:77
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +147
   System.Web.WebPages.StartPage.ExecutePageHierarchy() +88
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +107
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +375
   System.Web.Mvc.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17() +31
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +436
   System.Web.Mvc.Async.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult) +184
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +38
   System.Web.Mvc.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult) +27
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +22
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +52
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +22
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +38
   System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult) +41
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +22
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +38
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +607
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +134


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.7.2106.0