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 65:  
Line 66: @{
Line 67:     var langName = HttpContext.Current.Request.UserLanguages[0].Substring(0, 2);
Line 68:     if (langName != Request.Cookies["language"].Value)
Line 69:     {

Source File: c:\Domains\thietkewebnt.com\songhongland.com.vn\Views\Shared\_Layout.cshtml    Line: 67

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ASP._Page_Views_Shared__Layout_cshtml.Execute() in c:\Domains\thietkewebnt.com\songhongland.com.vn\Views\Shared\_Layout.cshtml:67
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +199
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +117
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +92
   System.Web.WebPages.<>c__DisplayClass7.<RenderPageCore>b__6(TextWriter writer) +106
   System.Web.WebPages.HelperResult.WriteTo(TextWriter writer) +15
   System.Web.WebPages.WebPageBase.Write(HelperResult result) +101
   System.Web.WebPages.WebPageBase.RenderSurrounding(String partialViewName, Action`1 body) +68
   System.Web.WebPages.WebPageBase.PopContext() +341
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +100
   System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) +228
   System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer) +118
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +305
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) +15
   System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19() +23
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +248
   System.Web.Mvc.<>c__DisplayClass1e.<InvokeActionResultWithFilters>b__1b() +26
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +190
   System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +326
   System.Web.Mvc.Controller.ExecuteCore() +109
   System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +92
   System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext) +12
   System.Web.Mvc.<>c__DisplayClassb.<BeginProcessRequest>b__5() +34
   System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +16
   System.Web.Mvc.Async.<>c__DisplayClass8`1.<BeginSynchronous>b__7(IAsyncResult _) +15
   System.Web.Mvc.Async.WrappedAsyncResult`1.End() +59
   System.Web.Mvc.<>c__DisplayClasse.<EndProcessRequest>b__d() +48
   System.Web.Mvc.SecurityUtil.<GetCallInAppTrustThunk>b__0(Action f) +12
   System.Web.Mvc.SecurityUtil.ProcessInApplicationTrust(Action action) +24
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +66
   System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +11
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +9850389
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +50
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +163


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0