“/”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 1861:                                            string sql_three = "select * from " + param[2] + " where fatherId=" + dr_two["id"].ToString() + " and typestate>0 order by sortnum ,id ";
行 1862:                                            OleDbDataReader dr_three = con.DrSelect(sql_three, null);
行 1863:                                            while (dr_three.Read())
行 1864:                                            {
行 1865:                                                string nb_str_ = columnthree;

源文件: d:\webset\ahclear\App_Code\jss_fc\JSSMethods.cs    行: 1863

堆栈跟踪:


[NullReferenceException: 未将对象引用设置到对象的实例。]
   jss_fc.JSSMethods.mt_head_ny(String tagename, OperateDB con, String id, String[] param) in d:\webset\ahclear\App_Code\jss_fc\JSSMethods.cs:1863
   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