getting System.Collections.ListDictionaryInternal exception in asp.net code

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.NET2.0

Hi,

i am getting System.Collections.ListDictionaryInternal exception in asp.net code.this exception is comming once in a while not contineously.

i am getting this exception while reading information from the table.

i am using sql 2005 as backend.

can anybody help me to solve this issue?

detailed Exception is as shown below:

21-12-2009 03:01:12:421 ERR Exception while reading Queue Exists details from txpm0qud & column 5 : at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
at System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
at System.Data.SqlClient.SqlDataReader.get_MetaData()
at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
at System.Data.SqlClient.SqlCommand.ExecuteReader()
at TescoPrintManager.LPDListener.SQLRead(String tableName, String Query, String Parameter, Int32 columnToRead)

any help on this?

Thanks and Regards
Vidhya

Posted 20-Dec-09 19:54pm

vidhyap

Updated 20-Dec-09 20:37pm

v2

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Christian Graus · Accepted Answer · 2009-12-20T20:19:00

I've had this too, I think there's a bug in some of the collections. I had a bug the first time I tried to do a lookup, but afterwards it was fine, so I added a try/catch that did a meaningless lookup, and it sometimes blows up, but then my code runs fine. If that doesn't work for you, you could try posting the actual error message, and the code.