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#include <iostream.h>
#include <stdio.h>
#include <ICRSINT.H>
#include <string.h>
#import "D:\VC\c_ado\Debug\MSADO15.DLL"  no_namespace rename("EOF", "adoEOF")
void main()
{
 CoInitialize(NULL);
 //AfxOleInit();
 _ConnectionPtr pMyConnect=NULL;
 HRESULT hr=pMyConnect.CreateInstance(__uuidof(Connection));
 if(FAILED(hr))
 {
  cout<<"error 1!"<<endl;
  return;
 }
 _bstr_t strConnect="Driver={sql server};server=qiany;uid=;pwd=;database=pubs";  //SQLSERVER

//_bstr_t strConnect="Provider=OraOLEDB.Oracle;Data Source=orcl;User Id=scott;Password=tiger;"; //ORACLE
 //connecting to the database server now:
 try{pMyConnect->Open(strConnect,"","",NULL);}
 catch (_com_error &e)
 {
  cout<<"error 2!"<<endl;
  //::MessageBox(NULL,e.Description(),"警告",MB_OK │ MB_ICONWARNING);
 }

 

 _RecordsetPtr m_pRecordset;
 if(FAILED(m_pRecordset.CreateInstance( __uuidof( Recordset ))))
 {
  cout<<"error 3!"<<endl;
  //m_pDoc->m_initialized=FALSE;
  return;
 }

 try{
  m_pRecordset->Open(_variant_t("authors"),
  _variant_t((IDispatch *)pMyConnect,true), adOpenKeyset,
  adLockOptimistic, adCmdTable);
 }
 catch (_com_error &e)
 {
  cout<<"error 4!"<<endl;
 }

 //讀取記錄
 try
 {
  m_pRecordset->MoveFirst();
  while(m_pRecordset->adoEOF==VARIANT_FALSE)
  {
   //Retrieve column's value:
   char *sName=(char*)(_bstr_t)(m_pRecordset->Fields->GetItem(_variant_t("au_lname"))->Value);
   //short cId=(short)(m_pRecordset->Fields->GetItem(_variant_t("au_id"))->Value);
   cout<<(char*)(_bstr_t)(m_pRecordset->Fields->GetItem(_variant_t("au_lname"))->Value)<<endl;
   //cout<<sName<<endl;
   m_pRecordset->MoveNext();
  }
 }
 catch (_com_error &e)
 {
  cout<<"error 5!"<<endl;
 }

 //添加記錄
 try
 {
  if(!m_pRecordset->Supports(adAddNew))
  {
   cout<<"error 6!"<<endl;
   return;
  }

  m_pRecordset->AddNew();
  m_pRecordset->Fields->GetItem(_variant_t("au_id"))->Value=_bstr_t("998-72-8882");
  m_pRecordset->Fields->GetItem(_variant_t("au_lname"))->Value=_bstr_t("趙薇2");
  m_pRecordset->Fields->GetItem(_variant_t("au_fname"))->Value=_bstr_t("趙薇2");
  m_pRecordset->Fields->GetItem(_variant_t("phone"))->Value=_bstr_t("趙薇2");

  m_pRecordset->Update();
 }//try
 catch (_com_error &e)
 {
  cout<<"error 7!"<<endl;
 }

 

}

 

本文來(lái)自CSDN博客，轉載請標明出處：http://blog.csdn.net/changleqy/archive/2008/07/22/2688192.aspx