“/”应用程序中的服务器错误。

无法对 null 引用执行运行时绑定

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: Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: 无法对 null 引用执行运行时绑定

源错误:


行 6:      <li>@Html.FrontHtml().PageLink(item.LinkText, item.FullName)</li>
行 7:  }
行 8:    <li>@Model.Title</li>
行 9:  <li>@(Page_Context.Current.ContentTitle??MenuHelper.Current().LinkText)</li>
行 10: </ul> 

源文件: d:\CMS\Yishe CMS\Cms_Data\Sites\LQY\Templates\Views\Works.Viewer\template.cshtml    行: 8

堆栈跟踪:


[RuntimeBinderException: 无法对 null 引用执行运行时绑定]
   CallSite.Target(Closure , CallSite , Object ) +148
   System.Dynamic.UpdateDelegates.UpdateAndExecute1(CallSite site, T0 arg0) +664
   CallSite.Target(Closure , CallSite , Object ) +264
   ASP._Page_Cms_Data_Sites_LQY_Templates_Views_Works_Viewer_template_cshtml.Execute() in d:\CMS\Yishe CMS\Cms_Data\Sites\LQY\Templates\Views\Works.Viewer\template.cshtml:8
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +147
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +122
   Kooboo.CMS.Sites.View.PositionRender.ViewRender.RenderViewInternal(HtmlHelper htmlHelper, String viewPath, ViewDataDictionary viewData, Object model) +343
   Kooboo.CMS.Sites.View.PositionRender.ViewRender.RenderView(HtmlHelper htmlHelper, Page_Context pageContext, String viewName, ViewDataDictionary viewData, Object parameters, Boolean executeDataRule) +724
   Kooboo.CMS.Sites.View.FrontHtmlHelper.RenderView(String viewName, ViewDataDictionary viewData, Object parameters, Boolean executeDataRule) +61
   Kooboo.CMS.Sites.View.<>c__DisplayClass13.<RenderView>b__11() +89
   Kooboo.CMS.Sites.View.FrontHtmlHelper.RenderView(ViewPosition viewPosition) +579
   Kooboo.CMS.Sites.View.<RenderPositionContents>d__b.MoveNext() +458
   System.Linq.Buffer`1..ctor(IEnumerable`1 source) +258
   System.Linq.Enumerable.ToArray(IEnumerable`1 source) +93
   Kooboo.CMS.Sites.View.FrontHtmlHelper.Position(String positionID, Func`1 defaultContentFunc) +314
   ASP._Page_Cms_Data_Sites_LQY_Templates_Layouts_PhotoViewer_template_cshtml.Execute() in d:\CMS\Yishe CMS\Cms_Data\Sites\LQY\Templates\Layouts\PhotoViewer\template.cshtml:27
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +147
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +122
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +378
   Kooboo.CMS.Sites.Controllers.PageControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) +85
   System.Web.Mvc.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17() +31
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +448
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +448
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +448
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +448
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +448
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +448
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +448
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +448
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +448
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +448
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +448
   System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +659
   System.Web.Mvc.<>c__DisplayClass1d.<BeginExecuteCore>b__19() +42
   System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +25
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +73
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +25
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +59
   System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult) +44
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +25
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +59
   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:4.8.4690.0