“/”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 6:      INavigationService navigationService = WorkContext.Resolve<INavigationService>();
行 7:      var category = categoryService.GetCategory(id);
行 8:      var navigation = navigationService.GetNavigation(category.CatName);
行 9:  
行 10:     int totalRow = (int)ViewBag.TotalRow;

源文件: d:\sites\网上展馆三期\Themes\CmsSpace\Default\Views\Cms\News.cshtml    行: 8

堆栈跟踪:


[NullReferenceException: 未将对象引用设置到对象的实例。]
   ASP._Page_Themes_CmsSpace_Default_Views_Cms_News_cshtml.Execute() in d:\sites\网上展馆三期\Themes\CmsSpace\Default\Views\Cms\News.cshtml:8
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +142
   Ricebird.Mvc.Framework.Mvc.Views.RicebirdWebPage.ExecutePageHierarchy() in G:\项目\厦门大学网上展馆三期\网上展馆三期\Ricebird.Mvc.Framework\Mvc\Views\RicebirdViewPage.cs:74
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +121
   Ricebird.Mvc.Framework.RicebirdRazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) in G:\项目\厦门大学网上展馆三期\网上展馆三期\Ricebird.Mvc.Framework\RicebirdViewEngine.cs:301
   Ricebird.Mvc.Framework.RicebirdRazorView.Render(ViewContext viewContext, TextWriter writer) in G:\项目\厦门大学网上展馆三期\网上展馆三期\Ricebird.Mvc.Framework\RicebirdViewEngine.cs:261
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +364
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +89
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +833
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +833
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +833
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +81
   System.Web.Mvc.Async.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult) +186
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +33
   System.Web.Mvc.Controller.<BeginExecuteCore>b__1d(IAsyncResult asyncResult, ExecuteCoreState innerState) +29
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +65
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +48
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +36
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +33
   System.Web.Mvc.MvcHandler.<BeginProcessRequest>b__5(IAsyncResult asyncResult, ProcessRequestState innerState) +44
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +65
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +33
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +399
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +157


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.6.81.0