[NullReferenceException: 未将对象引用设置到对象的实例。]
BizFacade.ProductCataFad.<GetTopCataName>b__4(ProductCata o) +33
System.Linq.Enumerable.FirstOrDefault(IEnumerable`1 source, Func`2 predicate) +161
BizFacade.ProductCataFad.GetTopCataName(Int32 ProductCataID) +830
Web.products.LoadInfo() +1308
Web.products.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) +99
System.Web.UI.Control.LoadRecursive() +50
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627
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