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“/”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:

行 7: Models.T_Menu _currentMenu = db.T_Menu.Where(x => x.ShowType == 1 && x.SerialNumber == _menuSerialNumber && x.IsShow == true).SingleOrDefault();
行 8: Models.T_Menu _currentMenuParent = new Models.T_Menu();
行 9: if (_currentMenu.Level > 1) { _currentMenuParent = db.T_Menu.Where(x => x.MenuID == _currentMenu.ParentMenuID && x.IsShow == true).SingleOrDefault(); }
行 10: else { _currentMenuParent = _currentMenu; }
行 11: if (_currentMenu != null)

源文件: c:\Zkauto\Zkauto\Views\Shared\_LayoutLeftMenu.cshtml    行: 9

堆栈跟踪:

[NullReferenceException: 未将对象引用设置到对象的实例。]
ASP._Page_Views_Shared__LayoutLeftMenu_cshtml.Execute() in c:\Zkauto\Zkauto\Views\Shared\_LayoutLeftMenu.cshtml:9
System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +251
System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +146
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +121
System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData) +135
ASP._Page_Views_Article_Index_cshtml.Execute() in c:\Zkauto\Zkauto\Views\Article\Index.cshtml:12
System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +251
System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +146
System.Web.WebPages.StartPage.ExecutePageHierarchy() +85
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +106
System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +374
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +87
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +775
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +81
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) +29
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) +43
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() +602
System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +128


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.7.3535.0
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