[NullReferenceException: 未将对象引用设置到对象的实例。]
mandarin.LoadData() in c:\敖卓总共\kc\mandarin.aspx.cs:30
mandarin.Page_Load(Object sender, EventArgs e) in c:\敖卓总共\kc\mandarin.aspx.cs:19
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
System.Web.UI.Control.OnLoad(EventArgs e) +92
System.Web.UI.Control.LoadRecursive() +54
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +772
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