Ado方式連接Sql數據庫（vc++） 已驗證

 HRESULT hRet;
 try {
  hRet = m_pConnection.CreateInstance("ADODB.Connection");
  if (SUCCEEDED(hRet))
  {
   
   hRet = m_pConnection->Open("Provider=sqloledb;/
    Initial Catalog=BookManage;User ID=sa;Password=sa;Data Source=SWUST-SCORPIO", "", "", adModeUnknown);
  }
 }
 catch (_com_error e) {
  CString errormessage;
  errormessage.Format("連接數據庫失敗!/r/n 錯誤信息:%s", (char*)e.Description());
  AfxMessageBox(errormessage);
  PostQuitMessage(1);
 }