为什么open时出现异常?
用ado打开数据库时就出现unhandled exception in test.exe(kernel32.dll):
e06d7363:Microsoft C++ exception.
语句为:
strDNSName.Format("DSN=%s;UID=admin;PWD=admin", m_strDNSName);
m_pConnection.CreateInstance(__uuidof( Connection) );
m_pConnection->Open(_bstr_t(strDNSName), _bstr_t(L""), _bstr_t(L""), adModeUnknown) ;