“/”应用程序中的服务器错误。

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[InvalidOperationException: 阅读器关闭时尝试调用 FieldCount 无效。]
   System.Data.OleDb.OleDbDataReader.get_FieldCount() +1254516
   DAL.EFToAccess.SelectWhere(String strSqlQuery) +1594
   DAL.EFToAccess.SelectAll() +141
   DAL.SqlDoorEntities.get_News() +20
   DAL.NewsService.Get(Int32 id) +81
   WebSystem.newsdetail.LoadData() +277
   WebSystem.newsdetail.Page_Load(Object sender, EventArgs e) +80
   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