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鍊间笉鑳戒负 null銆侟br>鍙傛暟鍚岤 source

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寮傚父璇︾粏淇℃伅: System.ArgumentNullException: 鍊间笉鑳戒负 null銆侟br>鍙傛暟鍚岤 source

婧愰敊璇?


琛 12:     var sortModel = sortList.FirstOrDefault(c => c.code == ViewBag.thisCode);
琛 13:     if (sortModel == null) { sortModel = new Web.Data.Model.sort(); }
琛 14:     var m_m = muneModel.FirstOrDefault(c => c.sort == ViewBag.thisCode);
琛 15: 
琛 16:     int run = 0;

婧愭枃浠碟 d:\wwwroot\h\huabang.cn\wwwroot\wwwroot\Views\Home\Info.cshtml    琛孃 14

鍫嗘爤璺熻釜:


[ArgumentNullException: 鍊间笉鑳戒负 null銆
鍙傛暟鍚岤 source]
   System.Linq.Enumerable.FirstOrDefault(IEnumerable`1 source, Func`2 predicate) +4915460
   ASP._Page_Views_Home_Info_cshtml.Execute() in d:\wwwroot\h\huabang.cn\wwwroot\wwwroot\Views\Home\Info.cshtml:14
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +197
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +125
   System.Web.WebPages.StartPage.RunPage() +17
   System.Web.WebPages.StartPage.ExecutePageHierarchy() +64
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +78
   System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) +254
   System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer) +107
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +291
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) +13
   System.Web.Mvc.<>c__DisplayClass1a.b__17() +23
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +245
   System.Web.Mvc.<>c__DisplayClass1c.b__19() +22
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +245
   System.Web.Mvc.<>c__DisplayClass1c.b__19() +22
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +176
   System.Web.Mvc.Async.<>c__DisplayClass2a.b__20() +88
   System.Web.Mvc.Async.<>c__DisplayClass25.b__22(IAsyncResult asyncResult) +102
   System.Web.Mvc.Async.WrappedAsyncResult`1.End() +50
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +42
   System.Web.Mvc.<>c__DisplayClass1d.b__18(IAsyncResult asyncResult) +14
   System.Web.Mvc.Async.<>c__DisplayClass4.b__3(IAsyncResult ar) +16
   System.Web.Mvc.Async.WrappedAsyncResult`1.End() +50
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +51
   System.Web.Mvc.Async.<>c__DisplayClass4.b__3(IAsyncResult ar) +16
   System.Web.Mvc.Async.WrappedAsyncResult`1.End() +50
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +41
   System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +10
   System.Web.Mvc.<>c__DisplayClass8.b__3(IAsyncResult asyncResult) +25
   System.Web.Mvc.Async.<>c__DisplayClass4.b__3(IAsyncResult ar) +16
   System.Web.Mvc.Async.WrappedAsyncResult`1.End() +50
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +43
   System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +9847493
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +50
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +163


鐗堟湰淇℃伅: Microsoft .NET Framework 鐗堟湰:4.0.30319; ASP.NET 鐗堟湰:4.8.4110.0