ADO连接SQLServer2008问题！！

悬赏园豆：20 [待解决问题]

hr=m_pConnection.CreateInstance("ADODB.Connection");
        if(SUCCEEDED(hr))
        {
            _bstr_t strConnect = "Provider=SQLOLEDB.1;Password=;Persist Security Info=True;User ID=sa;Initial Catalog=student;Data Source=192.168.0.103";
            m_pConnection->Open((_bstr_t)strConnect,"","",adModeUnknown);
        
        }
        if(m_pConnection->State)
            MessageBox(NULL,L"服务器连接成功",L"",MB_OK);
        else
            MessageBox(NULL,L"服务器连接失败",L"",MB_OK);
    }
    catch(_com_error e)
    {
        MessageBox(NULL,e.ErrorMessage(),L"",MB_OK);
        ExitConnect();
    }