[NullReferenceException: 未將對(duì)象引用設(shè)置到對(duì)象的實(shí)例。]
   Jack.Web.ExhibitionList.BindData() +319
   Jack.Web.ExhibitionList.Page_Load(Object sender, EventArgs e) +72
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693