public override void Commit()
{
CheckDisposed();
if (_conn == null)
{
throw new InvalidOperationException(resman.GetString("Exception_NoTransaction"));
}
NpgsqlEventLog.LogMethodEnter(LogLevel.Debug, CLASSNAME, "Commit");
NpgsqlCommand.ExecuteBlind(_conn.Connector, "COMMIT");
_conn.Connector.Transaction = null;
_conn = null;
}