Server Error in '/' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 696:                string 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)";
Line 697:                OleDbDataReader dr_ = con.DrSelect(sql_, null);
Line 698:                if (dr_.Read())
Line 699:                {
Line 700:                    string str_repeat = dr["repeats"].ToString();

Source File: f:\netweb\hl_netweb\App_Code\jss_fc\JSSMethods.cs    Line: 698

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   jss_fc.JSSMethods.mt_topdowninfo(String tagename, OperateDB con, String[] param, String[] idsparam) in f:\netweb\hl_netweb\App_Code\jss_fc\JSSMethods.cs:698
   jss_fc.JSSMethods.TAGES_SINGLE(String tagename, OperateDB con, String[] param, String[] idsparam) in f:\netweb\hl_netweb\App_Code\jss_fc\JSSMethods.cs:215
   info.Page_Load(Object sender, EventArgs e) in f:\netweb\hl_netweb\info.aspx.cs:66
   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


Version Information: Microsoft .NET Framework Version:2.0.50727.3053; ASP.NET Version:2.0.50727.3053