bool ADOConn::OnInitADOConn()
{
#ifdef _LOG_DESTDOWNLOAD_
    vos_util_demo_print( "ADOConn::OnInitADOConn() IN \n" );
#endif

    // 初始化OLE/COM库环境 
    if(FAILED(::CoInitialize(NULL)))
        return false;

#ifdef _LOG_DESTDOWNLOAD_
    vos_util_demo_print( "ADOConn::CoInitialize() SUCCESS \n" );
#endif    
    try
    {
        if(FAILED(m_pConnection.CreateInstance( __uuidof( Connection ) )))
            return false;

#ifdef _LOG_DESTDOWNLOAD_
        vos_util_demo_print( "m_pConnection.CreateInstance SUCCESS \n" );
#endif    

        if(FAILED(m_pCommandPer.CreateInstance( __uuidof( Command ) )))
            return false;
        
#ifdef _LOG_DESTDOWNLOAD_
        vos_util_demo_print( "m_pCommandPer.CreateInstance SUCCESS \n" );
#endif    

        m_pRecordset = NULL;
        // 设置连接字符串，必须是BSTR型或者_bstr_t类型
        _bstr_t strConnect = "Provider=OraOLEDB.Oracle.1; Data Source=tspora1;User ID=tsp;Password=tsp;Persist Security Info=True;";
        if(FAILED(m_pConnection->Open( strConnect, "", "", adModeUnknown)))
            return false;

#ifdef _LOG_DESTDOWNLOAD_
        vos_util_demo_print( "m_pConnection->Open SUCCESS \n" );
#endif    
    }
    // 捕捉异常
    catch( _com_error e )
    {
        return false;
    }

    return true;
}