vc 使用ado連線SQL SERVER .不需要安裝客戶端

::CoInitialize(NULL); _ConnectionPtr m_spConDocument; HRESULT hr = m_spConDocument.CreateInstance(__uuidof(Connection)); if ( SUCCEEDED(hr) ) { CString strConnect(L"Driver={SQL Server};Server=192.168.15.234;Database=master;Uid=sa;Pwd=ldap12345"); try { hr = m_spConDocument->Open(_bstr_t(strConnect), _bstr_t(""), _bstr_t(""), adConnectUnspecified); } catch( _com_error& e ) { DUMP_COM_ERROR(e); m_spConDocument = NULL; } } ::CoUninitialize();[@more@]