Ado方式连接Sql数据库（vc++） 已验证

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("连接数据库失败!/r/n 错误信息:%s", (char*)e.Description());
AfxMessageBox(errormessage);
PostQuitMessage(1);
}