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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