“/”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 1050:                sql_ = "select * from (select row_number() over (order by " + sqlorder + ") as rowNum,* from info where cid=" + idsparam[1] + " and state>0 and tgstate>0)as a where rowNum=((select rowNum from (select row_number() over (order by " + sqlorder + ") as rowNum,* from info where cid=" + idsparam[1] + " and state>0 and tgstate>0)as b where id=" + idsparam[2] + ")+1)";
行 1051:                dr_ = con.DrSelect(sql_, null);
行 1052:                if (dr_.Read())
行 1053:                {
行 1054:                    string str_repeat = dr["repeats"].ToString();

源文件: d:\asp.netweb\gm_netweb\App_Code\jss_fc\JSSMethods.cs    行: 1052

堆栈跟踪: 


[NullReferenceException: 未将对象引用设置到对象的实例。]
   jss_fc.JSSMethods.mt_topdowninfo(String tagename, OperateDB con, String[] param, String[] idsparam) in d:\asp.netweb\gm_netweb\App_Code\jss_fc\JSSMethods.cs:1052
   jss_fc.JSSMethods.TAGES_SINGLE(String tagename, OperateDB con, String[] param, String[] idsparam) in d:\asp.netweb\gm_netweb\App_Code\jss_fc\JSSMethods.cs:190
   info.Page_Load(Object sender, EventArgs e) in d:\asp.netweb\gm_netweb\info.aspx.cs:73
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +34
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +47
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1061

版本信息: Microsoft .NET Framework 版本:2.0.50727.42; ASP.NET 版本:2.0.50727.42
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