VS2008C++利用ADO访问数据库

stdafx.h中

#pragma once

#include "targetver.h"

#include <stdio.h>
#include <tchar.h>

#import"C:\Program Files\Common Files\System\ado\msado15.dll" no_namespace rename("EOF","rsEOF")
// TODO: reference additional headers your program requires here
主程序中（以下代码修改自孙鑫VC++深入详解）

#include "stdafx.h"
#include<iostream>
using namespace std;


int _tmain(int argc, _TCHAR* argv[])
{
    int end;
    CoInitialize(NULL);
    _ConnectionPtr pConn(__uuidof(Connection));
    _RecordsetPtr pRst(__uuidof(Recordset));
    pConn->ConnectionString="Provider=SQLOLEDB.1;Password=finally;Persist Security Info=True; User ID=sa;Initial Catalog=pubs";
    pConn->Open("","","",adConnectUnspecified);
    pRst=pConn->Execute("select * from authors",NULL,adCmdText);
    while(!pRst->rsEOF)
    {
        cout<<((_bstr_t)pRst->GetCollect("au_lname"))<<endl;;
        
        pRst->MoveNext();
    }
    pRst->Close();
    pConn->Close();
    pRst.Release();
    pConn.Release();
    CoUninitialize();
    


    cin>>end;
    return 0;
}