Il progetto funzionava correttamente finché non ho aggiornato tutti i pacchetti NuGet tramite NuGet Manager (stavo cercando di ottenere gli ultimi pacchetti OWIN).Riferimento oggetto non impostato su un'istanza di un oggetto in _Layout.cshtml dopo i pacchetti aggiornati
Questo errore si trova in _Layout.cshtml e non l'ho ancora toccato.
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 13: Line 14: <!-- Custom Fonts --> Line 15: @Scripts.Render("~/Content/fonts")
Source File: f:\Workplace\lrc\lrc\Views\Shared_Layout.cshtml Line: 15
Aggiornamento
Ecco il codice che _Layout.cshtml (vengono generati automaticamente durante la creazione del progetto)
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="LRC - We are aiming at building up a healthier life style.">
<meta name="author" content="Winston Fan">
<title>@ViewBag.Title - LRC</title>
@Styles.Render("~/Content/css")
@Scripts.Render("~/bundles/modernizr")
<!-- Custom Fonts -->
@Scripts.Render("~/Content/fonts")
<link href="http://fonts.googleapis.com/css?family=Lora:400,700,400italic,700italic" rel="stylesheet" type="text/css">
<link href="http://fonts.googleapis.com/css?family=Montserrat:400,700" rel="stylesheet" type="text/css">
Così si lamenta questa linea di codice: @ Scripts.Render ("~/Content/fonts")
Ma come potete vedere, questo è il codice generato da VS, come potrei sbagliarlo?
Ho anche controllato il contenuto nella cartella Conntent/font-awesome/fonts e tutte le risorse necessarie ci sono.
Ecco il codice all'interno del BundleConfig (che è anche il codice generato automaticamente)
bundles.Add(new ScriptBundle("~/Content/fonts").Include(
"~/Content/font-awesome/fonts/fontawesome-*",
"~/Content/font-awesome/fonts/FontAwesome.otf"));
mio Microsoft.OWin.Security, Microsoft.OWin.Security.Google e Microsoft.OWin sono la versione 3.0. 1,0
Aggiornamento 2
Ecco l'Analisi dello stack:
Stack Trace:
[NullReferenceException: Object reference not set to an instance of an object.] Microsoft.Ajax.Utilities.JSParser.ParseExpression(AstNode leftHandSide, Boolean single, Boolean bCanAssign, JSToken inToken) +1007 Microsoft.Ajax.Utilities.JSParser.ParseExpressionStatement(Boolean fSourceElement) +268
Microsoft.Ajax.Utilities.JSParser.ParseStatement(Boolean fSourceElement, Boolean skipImportantComment) +1552
Microsoft.Ajax.Utilities.JSParser.ParseBlock() +164
Microsoft.Ajax.Utilities.JSParser.ParseStatement(Boolean fSourceElement, Boolean skipImportantComment) +498
Microsoft.Ajax.Utilities.JSParser.ParseBlock() +164
Microsoft.Ajax.Utilities.JSParser.ParseStatement(Boolean fSourceElement, Boolean skipImportantComment) +498
Microsoft.Ajax.Utilities.JSParser.ParseBlock() +164
Microsoft.Ajax.Utilities.JSParser.ParseStatement(Boolean fSourceElement, Boolean skipImportantComment) +498
Microsoft.Ajax.Utilities.JSParser.ParseStatements(Block block) +159
Microsoft.Ajax.Utilities.JSParser.InternalParse() +1011
Microsoft.Ajax.Utilities.JSParser.Parse(DocumentContext sourceContext) +123 Microsoft.Ajax.Utilities.JSParser.Parse(DocumentContext sourceContext, CodeSettings settings) +54
Microsoft.Ajax.Utilities.Minifier.MinifyJavaScript(String source, CodeSettings codeSettings) +987
System.Web.Optimization.JsMinify.Process(BundleContext context, BundleResponse response) +310
System.Web.Optimization.Bundle.ApplyTransforms(BundleContext context, String bundleContent, IEnumerable1 bundleFiles) +263
1 assets) +252
System.Web.Optimization.Bundle.GenerateBundleResponse(BundleContext context) +355
System.Web.Optimization.Bundle.GetBundleResponse(BundleContext context) +104
System.Web.Optimization.BundleResolver.GetBundleContents(String virtualPath) +254
System.Web.Optimization.AssetManager.DeterminePathsToRender(IEnumerable
System.Web.Optimization.AssetManager.RenderExplicit(String tagFormat, String[] paths) +75
System.Web.Optimization.Scripts.RenderFormat(String tagFormat, String[] paths) +292
System.Web.Optimization.Scripts.Render(String[] paths) +51
ASP._Page_Views_Shared__Layout_cshtml.Execute() in f:\Workplace\lrc\lrc\Views\Shared_Layout.cshtml:15
System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +271
System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +121
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +145
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer) +41
System.Web.WebPages.<>c__DisplayClass3.b__2(TextWriter writer) +335 System.Web.WebPages.HelperResult.WriteTo(TextWriter writer) +42
System.Web.WebPages.WebPageExecutingBase.WriteTo(TextWriter writer, HelperResult content) +45
System.Web.WebPages.WebPageBase.Write(HelperResult result) +53
System.Web.WebPages.WebPageBase.RenderSurrounding(String partialViewName, Action1 body) +178
1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +116
System.Web.WebPages.WebPageBase.PopContext() +229
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +154
System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) +695
System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer) +382
System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +431 System.Web.Mvc.ControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) +39
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +529
1 filters, ActionResult actionResult) +106
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList
System.Web.Mvc.Async.<>c__DisplayClass2b.b__1c() +321 System.Web.Mvc.Async.<>c__DisplayClass21.b__1e(IAsyncResult asyncResult) +185
System.Web.Mvc.Async.WrappedAsyncResult1.CallEndDelegate(IAsyncResult asyncResult) +42
1.End() +133
System.Web.Mvc.Async.WrappedAsyncResultBase
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +56
System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +40
System.Web.Mvc.Controller.b__1d(IAsyncResult asyncResult, ExecuteCoreState innerState) +34
System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate(IAsyncResult asyncResult) +70
1.End() +139
System.Web.Mvc.Async.WrappedAsyncResultBase
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +59
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +40
System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +44 System.Web.Mvc.Controller.b__15(IAsyncResult asyncResult, Controller controller) +39
System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate(IAsyncResult asyncResult) +62
1.End() +139
System.Web.Mvc.Async.WrappedAsyncResultBase
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +59
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +40 System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +39
System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +39
System.Web.Mvc.MvcHandler.b__5(IAsyncResult asyncResult, ProcessRequestState innerState) +39
System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate(IAsyncResult asyncResult) +70
1.End() +139
System.Web.Mvc.Async.WrappedAsyncResultBase
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +59
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +40
System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +40 System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +38
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +932 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +188
Aggiornamento 3
Ecco la cartella Contenuto.
Update 4
Ecco il contenuto del packages.config
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Antlr" version="3.5.0.2" targetFramework="net451" />
<package id="bootstrap" version="3.3.4" targetFramework="net451" />
<package id="EntityFramework" version="6.1.3" targetFramework="net451" />
<package id="jQuery" version="2.1.3" targetFramework="net451" />
<package id="jQuery.Validation" version="1.13.1" targetFramework="net451" />
<package id="Microsoft.AspNet.Identity.Core" version="2.2.1" targetFramework="net451" />
<package id="Microsoft.AspNet.Identity.EntityFramework" version="2.2.1" targetFramework="net451" />
<package id="Microsoft.AspNet.Identity.Owin" version="2.2.1" targetFramework="net451" />
<package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.Web.Optimization" version="1.1.3" targetFramework="net451" />
<package id="Microsoft.AspNet.WebApi" version="5.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.WebApi.Client" version="5.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.WebApi.Core" version="5.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net451" />
<package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.3" targetFramework="net451" />
<package id="Microsoft.Owin" version="3.0.1" targetFramework="net451" />
<package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net451" />
<package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net451" />
<package id="Microsoft.Owin.Security.Cookies" version="3.0.1" targetFramework="net451" />
<package id="Microsoft.Owin.Security.Facebook" version="3.0.1" targetFramework="net451" />
<package id="Microsoft.Owin.Security.Google" version="3.0.1" targetFramework="net451" />
<package id="Microsoft.Owin.Security.MicrosoftAccount" version="3.0.1" targetFramework="net451" />
<package id="Microsoft.Owin.Security.OAuth" version="3.0.1" targetFramework="net451" />
<package id="Microsoft.Owin.Security.Twitter" version="3.0.1" targetFramework="net451" />
<package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net451" />
<package id="Modernizr" version="2.8.3" targetFramework="net451" />
<package id="Newtonsoft.Json" version="6.0.8" targetFramework="net451" />
<package id="Owin" version="1.0" targetFramework="net451" />
<package id="Respond" version="1.4.2" targetFramework="net451" />
<package id="WebGrease" version="1.6.0" targetFramework="net451" />
</packages>
Aggiungere qualche informazione in più, da quale versione di quale versione ha fatto si aggiorna. Mostra il tuo file di layout. E inserisci un punto di interruzione nel file e trova esattamente ciò che è nullo ora. –
@YishaiGalatzer Ciao grazie per la risposta. Si prega di consultare il mio aggiornamento. – Franva
Quando hai aggiornato hai aggiornato anche la tua versione di MVC? In ogni caso, cosa succede quando commentate la riga incriminata? – DWright