[NullReferenceException: 未将对象引用设置到对象的实例。]
Solution.GetParId(Int32 id) +197
Solution.Page_Load(Object sender, EventArgs e) +352
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +37
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +91
System.Web.UI.Control.OnLoad(EventArgs e) +148
System.Web.UI.Control.LoadRecursive() +122
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3419
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