Server Error in '/' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 14:         <div class=" text wow fadeInRight animated bread">
Line 15:             <a href="#">
Line 16:                 <h2>@Model.ArticleItem.Subject</h2>
Line 17:             </a>
Line 18:             <div class="list">

Source File: c:\inetpub\vhosts\giasutatdat.edu.vn\httpdocs\Areas\Desktop\Views\DeArticle\Detail.cshtml    Line: 16

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ASP._Page_Areas_Desktop_Views_DeArticle_Detail_cshtml.<Execute>b__1() in c:\inetpub\vhosts\giasutatdat.edu.vn\httpdocs\Areas\Desktop\Views\DeArticle\Detail.cshtml:16
   System.Web.WebPages.<>c__DisplayClassb.<RenderSection>b__9(TextWriter tw) +427
   System.Web.WebPages.WebPageBase.Write(HelperResult result) +112
   ASP._Page_Areas_Desktop_Views_Shared__layout_detail_cshtml.Execute() in c:\inetpub\vhosts\giasutatdat.edu.vn\httpdocs\Areas\Desktop\Views\Shared\_layout_detail.cshtml:51
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +251
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +146
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +118
   System.Web.WebPages.<>c__DisplayClass7.<RenderPageCore>b__6(TextWriter writer) +308
   System.Web.WebPages.WebPageBase.Write(HelperResult result) +112
   System.Web.WebPages.WebPageBase.RenderSurrounding(String partialViewName, Action`1 body) +84
   System.Web.WebPages.WebPageBase.PopContext() +349
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +374
   System.Web.Mvc.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17() +30
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +436
   System.Web.Mvc.Async.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult) +187
   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) +25
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +52
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +25
   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) +25
   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


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4087.0