“/”应用程序中的服务器错误。

索引和长度必须引用该字符串内的位置。
参数名: length

说明: 执行当前 Web 请求期间,出现未经处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.ArgumentOutOfRangeException: 索引和长度必须引用该字符串内的位置。
参数名: length

源错误:


行 14:     var item = ViewBag.VideoTutorial as online_video_tutorial;
行 15:     var dlist = item.Description;
行 16:     dlist = dlist.OrderBy(lr => lr.server_filename.Replace("[IT屋-www.it1352.com]", "").IndexOf(".") > 1 ? (lr.server_filename.Replace("[IT屋-www.it1352.com]", "").Substring(0, lr.server_filename.IndexOf(".") - 1)) : lr.server_filename).ToList();
行 17: }
行 18: <div class="row" style="padding-top:20px;padding-left:15px;">

源文件: d:\wwwroot\www.it1352.com\Views\VideoTutorial\Details.cshtml    行: 16

堆栈跟踪:


[ArgumentOutOfRangeException: 索引和长度必须引用该字符串内的位置。
参数名: length]
   System.String.Substring(Int32 startIndex, Int32 length) +14342724
   ASP._Page_Views_VideoTutorial_Details_cshtml.<Execute>b__26(DescriptionItem lr) in d:\wwwroot\www.it1352.com\Views\VideoTutorial\Details.cshtml:16
   System.Linq.EnumerableSorter`2.ComputeKeys(TElement[] elements, Int32 count) +143
   System.Linq.EnumerableSorter`1.Sort(TElement[] elements, Int32 count) +29
   System.Linq.<GetEnumerator>d__1.MoveNext() +273
   System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) +453
   System.Linq.Enumerable.ToList(IEnumerable`1 source) +73
   ASP._Page_Views_VideoTutorial_Details_cshtml.Execute() in d:\wwwroot\www.it1352.com\Views\VideoTutorial\Details.cshtml:16
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +147
   System.Web.WebPages.StartPage.ExecutePageHierarchy() +86
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +107
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +378
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +91
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +795
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +795
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +795
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +81
   System.Web.Mvc.Async.<>c__DisplayClass1e.<BeginInvokeAction>b__1b(IAsyncResult asyncResult) +188
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +38
   System.Web.Mvc.Controller.<BeginExecuteCore>b__1d(IAsyncResult asyncResult, ExecuteCoreState innerState) +32
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +73
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +52
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +39
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +38
   System.Web.Mvc.MvcHandler.<BeginProcessRequest>b__4(IAsyncResult asyncResult, ProcessRequestState innerState) +46
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +73
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +38
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +431
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +75
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +158


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.8.4110.0