“/”应用程序中的服务器错误。

---

行 2576:                }
行 2577:                dr_.Close();
行 2578:                str = dr["starttag"] as string + str + dr["endtag"] as string;//加起始，结尾标签
行 2579:            }
行 2580:            dr.Close();

[InvalidOperationException: 不存在此行/列的数据。]
   System.Data.OleDb.OleDbDataReader.GetOrdinal(String name) +204
   System.Data.OleDb.OleDbDataReader.get_Item(String name) +23
   jss_fc.JSSMethods.mt_infodisplay(String tagename, OperateDB con, String id, String[] param) in d:\website\lajs_netweb\App_Code\jss_fc\JSSMethods.cs:2578
   jss_fc.JSSMethods.TAGES_SINGLE(String tagename, OperateDB con, String[] param, String[] idsparam) in d:\website\lajs_netweb\App_Code\jss_fc\JSSMethods.cs:87
   info.Page_Load(Object sender, EventArgs e) in d:\website\lajs_netweb\info.aspx.cs:70
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +137
   System.Web.UI.Control.LoadRecursive() +98
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2524