“/”应用程序中的服务器错误。

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[NullReferenceException: 未将对象引用设置到对象的实例。]
   ASP.tzzbh_list_34_aspx.__DataBind__control3(Object sender, EventArgs e) in f:\usr\localuser\hyw1112180001\tzzbh\list_34.aspx:34
   System.Web.UI.Control.OnDataBinding(EventArgs e) +99
   System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +92
   System.Web.UI.Control.DataBind() +15
   System.Web.UI.Control.DataBindChildren() +211
   System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +102
   System.Web.UI.Control.DataBind() +15
   ASP.tzzbh_list_34_aspx.Page_Load(Object sender, EventArgs e) in f:\usr\localuser\hyw1112180001\tzzbh\list_34.aspx:25
   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