NullReferenceException when fbCommand.ExecuteReader() is assigned to a
fbDataReader object
------------------------------------------------------------------------------------------
Key: DNET-340
URL: http://tracker.firebirdsql.org/browse/DNET-340
Project: .NET Data provider
Issue Type: Bug
Components: ADO.NET Provider
Affects Versions: 2.5.2, 2.5.3
Environment: Windows 7 Ultimate;
Microsoft Visual C# 2010 Express;
Firebird 2.5.0.25920 Release candidate 3;
Reporter: Luciano Mendes
Assignee: Jiri Cincura
Attachments: CODE_ISSUE.png
ACTUAL RESULT: NullReferenceException when fbCommand.ExecuteReader() is
assigned to a fbDataReader object.
EXPECTED RESULT: NullReferenceException should not happen.
STEPS TO REPRODUCE THIS ISSUE:
1- See CODE_ISSUE.png attached. This was introduced on: ADO.NET Data Provider
Version: 08-Aug-2010 19:10 -
http://netprovider.cincura.net/FirebirdSql.Data.FirebirdClient.dll;
Note: This issue is not reproducible in the previous ADO.NET Data Provider test
release.
***************************************************************************************************************
System.NullReferenceException: Object reference not set to an instance of an
object.
at
FirebirdSql.Data.FirebirdClient.FbTransaction.BuildTpb(FbTransactionOptions
options)
at FirebirdSql.Data.FirebirdClient.FbTransaction.BuildTpb()
at FirebirdSql.Data.FirebirdClient.FbTransaction.BeginTransaction()
at FirebirdSql.Data.FirebirdClient.FbCommand.Prepare(Boolean returnsSet)
at FirebirdSql.Data.FirebirdClient.FbCommand.ExecuteCommand(CommandBehavior
behavior, Boolean returnsSet)
at FirebirdSql.Data.FirebirdClient.FbCommand.ExecuteReader(CommandBehavior
behavior)
at FirebirdSql.Data.FirebirdClient.FbCommand.ExecuteReader()
at CHRONOS.Database.connected()
***************************************************************************************************************
================================================================
ENVIRONMENT
- ADO.NET Data Provider Version: 08-Aug-2010 19:10 -
http://netprovider.cincura.net/FirebirdSql.Data.FirebirdClient.dll;
- Windows 7 Ultimate;
- Microsoft Visual C# 2010 Express;
- Firebird 2.5.0.25920 Release candidate 3;
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