“/”应用程序中的服务器错误。

未将对象引用设置到对象的实例。

说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.NullReferenceException: 未将对象引用设置到对象的实例。

源错误:


行 2525:                string sql = "select id from info_class where fatherId in(" + ids + ")";
行 2526:                OleDbDataReader dr = con.DrSelect(sql, null);
行 2527:                while (dr.Read())
行 2528:                {
行 2529:                    if (classids == "")

源文件: d:\webset\ahclear\App_Code\jss_fc\JSSMethods.cs    行: 2527

堆栈跟踪:


[NullReferenceException: 未将对象引用设置到对象的实例。]
   jss_fc.JSSMethods.GetClassIds(String ids, OperateDB con) in d:\webset\ahclear\App_Code\jss_fc\JSSMethods.cs:2527
   jss_fc.JSSMethods.GetClassIds(String ids, OperateDB con) in d:\webset\ahclear\App_Code\jss_fc\JSSMethods.cs:2537
   jss_fc.JSSMethods.mt_head_ny(String tagename, OperateDB con, String id, String[] param) in d:\webset\ahclear\App_Code\jss_fc\JSSMethods.cs:1771
   jss_fc.JSSMethods.TAGES_SINGLE(String tagename, OperateDB con, String[] param, String[] idsparam) in d:\webset\ahclear\App_Code\jss_fc\JSSMethods.cs:37
   info.Page_Load(Object sender, EventArgs e) in d:\webset\ahclear\info.aspx.cs:40
   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


版本信息: Microsoft .NET Framework 版本:2.0.50727.8966; ASP.NET 版本:2.0.50727.8962