[InvalidOperationException: 序列不包含任何匹配元素]
System.Linq.Enumerable.Single(IEnumerable`1 source, Func`2 predicate) +2717473
MTA.Web.ArticleList.InitCurrent() +345
MTA.Web.ArticleList.Page_Load(Object sender, EventArgs e) +35
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
System.Web.UI.Control.OnLoad(EventArgs e) +91
System.Web.UI.Control.LoadRecursive() +74
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207
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