Column Does not belong to Table

[Guest]

We are using .NET 2.0 and intermittently egt the following errors on almost
all our web pages. The error is not repoducable and cycling the worker
process seems to temporarily fix the problems. Has anyone seen this or have
any suggestions?

Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 9/5/2006 4:23:47 PM
Event time (UTC): 9/5/2006 11:23:47 PM
Event ID: cb408727296440278fb486579b359b15
Event sequence: 330
Event occurrence: 4
Event detail code: 0

Application information:
Application domain:
/LM/W3SVC/1314662404/ROOT/NARROWCAST2005-1-128019696752767426
Trust level: Full
Application Virtual Path: /NARROWCAST2005
Application Path: C:\Inetpub\BFI_info\NARROWCAST2005\
Machine name: CARL

Process information:
Process ID: 3148
Process name: w3wp.exe
Account name: NT AUTHORITY\NETWORK SERVICE

Exception information:
Exception type: ArgumentException
Exception message: Column 'TFTAgentName' does not belong to table .

Request information:
Request URL:
http://www.navistechnologies.info/NARROWCAST2005/NCEditResultsOut.aspx?uKey=2056426&To_Number=
Request path: /NARROWCAST2005/NCEditResultsOut.aspx
User host address: 63.200.67.154
User:
Is authenticated: False
Authentication Type:
Thread account name: NT AUTHORITY\NETWORK SERVICE

Thread information:
Thread ID: 1
Thread account name: NT AUTHORITY\NETWORK SERVICE
Is impersonating: False
Stack trace: at System.Data.DataRow.GetDataColumn(String columnName)
at System.Data.DataRow.get_Item(String columnName)
at NCEditResultsOut.Page_Load(Object sender, EventArgs e) in
C:\Inetpub\BFI_info\Narrowcast2005\NCEditResultsOut.aspx.vb:line 37
at System.Web.UI.Control.OnLoad(EventArgs e)
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Page.ProcessRequestMain(Boolean
includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)


Custom event details:

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.