Server Error in '/' Application.

No data exists for the row/column.

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.InvalidOperationException: No data exists for the row/column.

Source Error:


Line 130:            rdr = cmd.ExecuteReader();
Line 131:            rdr.Read();
Line 132:            cat = rdr["categoria"].ToString();
Line 133:            id_pagina = rdr["id_page"].ToString();
Line 134:            rdr.Close();

Source File: d:\inetpub\webs\meccanicavadesecom\controls\header2.ascx    Line: 132

Stack Trace:


[InvalidOperationException: No data exists for the row/column.]
   System.Data.OleDb.OleDbDataReader.DoValueCheck(Int32 ordinal) +52
   System.Data.OleDb.OleDbDataReader.GetValue(Int32 ordinal) +12
   System.Data.OleDb.OleDbDataReader.get_Item(String name) +27
   ASP.header2.page_load() in d:\inetpub\webs\meccanicavadesecom\controls\header2.ascx:132
   System.Web.Util.CalliHelper.ArglessFunctionCaller(IntPtr fp, Object o) +8
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +23
   System.Web.UI.Control.OnLoad(EventArgs e) +91
   System.Web.UI.Control.LoadRecursive() +74
   System.Web.UI.Control.LoadRecursive() +163
   System.Web.UI.Control.LoadRecursive() +163
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2602


Version Information: Microsoft .NET Framework Version:2.0.50727.9174; ASP.NET Version:2.0.50727.9175