protected override void Dispose(bool disposing)
 {
     if (disposing)
     {
         if (!IsZombied && !IsYukonPartialZombie)
         {
             _internalTransaction.Dispose();
         }
     }
     base.Dispose(disposing);
 }
        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                TdsParser bestEffortCleanupTarget = null;
                RuntimeHelpers.PrepareConstrainedRegions();
                try {
#if DEBUG
                    TdsParser.ReliabilitySection tdsReliabilitySection = new TdsParser.ReliabilitySection();

                    RuntimeHelpers.PrepareConstrainedRegions();
                    try {
                        tdsReliabilitySection.Start();
#else
                    {
#endif //DEBUG
                        bestEffortCleanupTarget = SqlInternalConnection.GetBestEffortCleanupTarget(_connection);
                        if (!IsZombied && !IsYukonPartialZombie)
                        {
                            _internalTransaction.Dispose();
                        }
                    }
#if DEBUG
                    finally {
                        tdsReliabilitySection.Stop();
                    }
#endif //DEBUG
                }
                catch (System.OutOfMemoryException e) {
                    _connection.Abort(e);
                    throw;
                }
                catch (System.StackOverflowException e) {
                    _connection.Abort(e);
                    throw;
                }
                catch (System.Threading.ThreadAbortException e)  {
                    _connection.Abort(e);
                    SqlInternalConnection.BestEffortCleanup(bestEffortCleanupTarget);
                    throw;
                }
            }
            base.Dispose(disposing);
        }