7
我得到位於未將對象引用設置爲對象的實例。在MVC佈局= NULL
@{
Layout = null;
}
這是一個奇怪的錯誤就是錯誤：未設置爲一個對象的實例
對象引用。
描述：在執行 當前Web請求期間發生未處理的異常。請查看堆棧跟蹤以獲取有關該錯誤的更多信息以及源代碼的位置。
異常詳細信息：System.NullReferenceException：對象引用不是 設置爲對象的實例。
而且堆棧跟蹤：
[NullReferenceException: Object reference not set to an instance of an object.]
ASP._Page_Views_Home_Index_cshtml.Execute() in f:\Web Prog\my work\mcpd\mvc\FilippoPhotography\FP.WebUI\Views\Home\Index.cshtml:4
System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +197
System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +97
System.Web.WebPages.StartPage.RunPage() +17
System.Web.WebPages.StartPage.ExecutePageHierarchy() +62
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +76
System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) +260
System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer) +115
System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +295
System.Web.Mvc.ControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) +13
System.Web.Mvc.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17() +23
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +242
System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19() +21
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +177
System.Web.Mvc.Async.<>c__DisplayClass2a.<BeginInvokeAction>b__20() +89
System.Web.Mvc.Async.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult) +102
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +57
System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +43
System.Web.Mvc.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult) +14
System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +23
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +62
System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +57
System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +23
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +62
System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +47
System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +10
System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult) +25
System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +23
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +62
System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +47
System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +9629296
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +155
這裏是我這一觀點的控制器：
namespace FP.WebUI.Controllers
{
public class HomeController : Controller
{
private IInfoRepo repo;
public HomeController(IInfoRepo repoParam)
{
repo = repoParam;
}
public ViewResult Index()
{
Info model = repo.Info.FirstOrDefault();
return View(model);
}
}
}
這裏的視圖本身：
@model FP.Domain.Entities.Info
@{
Layout = null;
}
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>A.Filippo Photography</title>
<link rel="Stylesheet" type="text/css" href="~/Content/css/whole.css" />
<link rel="Stylesheet" type="text/css" href="~/Content/css/Homepage.css" />
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script src="~/Content/js/homepage.js" type="text/javascript"></script>
</head>
<body>
<div id="whole_wrapper">
<header>
<div id="follow">
<a href="http://@Model.Facebook.Substring(Model.Facebook.IndexOf("http://")+1,Model.Facebook.Length)"><img src="~/Content/img/temp.png" alt="facebook"/></a>
<a href="http://@Model.Twitter.Substring(Model.Twitter.IndexOf("http://")+1,Model.Twitter.Length)"><img src="~/Content/img/temp.png" alt="twitter"/></a>
<a href="mailto://@Model.Email"><img src="~/Content/img/temp.png" alt="email"/></a>
</div>
<div id="iconlabel">
<a href="~/Views/Home/Index"><img src="~/Content/img/logo.png" alt="logo"/></a>
</div>
</header>
<div id="main_content">
<div id="slides_wrapper">
<a href="gallery.aspx">
<div id="gallery_slide">
<p>Gallery</p>
</div>
</a>
<a href="sessions.aspx">
<div id="session_slide">
<p>Sessions</p>
</div>
</a>
<a href="offers.aspx">
<div id="offers_slide">
<p>Offers</p>
</div>
</a>
<a href="about.aspx">
<div id="about_slide">
<p>About Us</p>
</div>
</a>
<a href="contact.aspx">
<div id="contact_slide">
<p>Contact Us</p>
</div>
</a>
</div>
</div>
<div id="footer">
<div id="copyright">
<div id="rights">
<p>All rights reserved.© - Best viewed using the latest version of <a href="http://www.google.com/chrome">Google Chrome</a> or <a href="www.mozilla.org/en-US/firefox/new/">Mozilla Firefox</a>.</p>
</div>
<div id="stamp">
<p>Crafted by</p>
<a href="http://about.me/rafael.adel">Rafael Adel</a>
</div>
</div>
</div>
</div>
</body>
</html>
任何幫助，將不勝感激，我在這裏感到沮喪。謝謝。
把你的完整代碼放在這裏..我確定你在其他地方使用你的'Layout' .. – 2013-03-09 14:57:24
你的'Index.cshtml'，第4行看起來像什麼？ – andri 2013-03-09 14:58:18
更新了問題。謝謝。 – 2013-03-09 14:59:10