NullReferenceException from ViewData which is Not Null actually

Question

I think the screenshot explains everything. How can i resolve this problem ? Even the data is not null, it gives null reference exception..

Stacktrace is below:

   at ASP._Page_Views_Profile_Index_cshtml.Execute() in c:\aaaaaa\aaa\aaaaaa\Views\Profile\Index.cshtml:line 17
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
   at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
   at System.Web.WebPages.StartPage.ExecutePageHierarchy()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
   at System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context)
   at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17()
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation)

Hit view detail and drill down into the exception, maybe can point you (and us) in the right direction. — iMortalitySX
– iMortalitySX, Commented Nov 6, 2012 at 15:50
Looking at how Visual Studio hightlighted the code it seems that the issue is elsewhere and it is pointing to this place by error. Try cleaning the solution (from the properties menu), recompiling. — Knaģis
– Knaģis, Commented Nov 6, 2012 at 15:55
try to comment this line (@* *@) so we can make sure the error is there. — lstern
– lstern, Commented Nov 6, 2012 at 16:01

Petar Petrov · Accepted Answer · 2012-11-06 15:54:50Z

0

I'm betting for a threading issue. When the ViewEngine tries to display/bind the value(MobilePhone) it's null and it throws the exception but in the meantime the thread responsible for loading the data finishes and when expecting/viewing the value in the debugger the value is present.

answered Nov 6, 2012 at 15:54

Petar Petrov

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1 Comment

kkocabiyik Over a year ago

Well actually I'm not loading any data right there. I just put user data which consists of simple properties such as integer and string and showing them...

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