“/”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 188:                {
行 189:                    string NewsUrl = "/news/info" + item.NewsID + ".html";
行 190:                    string cateE = @Html.Raw(MvcAreaSite.Controllers.HomeController.GetArticleNameE(item.ClassID)).ToString();
行 191:                    string newsUrl = cateE+"/"+cateE;
行 192:                    if (item.ClassParentID != 0)

源文件: d:\Goodjob2020\AreaSite\Views\Home\News.cshtml    行: 190

堆栈跟踪:


[NullReferenceException: 未将对象引用设置到对象的实例。]
   NPinyin.Pinyin.GetPinyin(String text) +254
   MvcAreaSite.Controllers.HomeController.GetArticleNameE(Int32 classID) +305
   ASP._Page_Views_Home_News_cshtml.Execute() in d:\Goodjob2020\AreaSite\Views\Home\News.cshtml:190
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +251
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +122
   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.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19() +30
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +436
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +436
   System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +658
   System.Web.Mvc.Controller.ExecuteCore() +143
   System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +91
   System.Web.Mvc.<>c__DisplayClassb.<BeginProcessRequest>b__5() +57
   System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +25
   System.Web.Mvc.<>c__DisplayClasse.<EndProcessRequest>b__d() +36
   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:4.7.4087.0