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CoInitialize(NULL);

  _ConnectionPtr pConn(__uuidof(Connection)); 
_RecordsetPtr pRst(__uuidof(Recordset));

pConn->ConnectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\access\db1.mdb;Persist Security Info=False";
pConn->Open("","","",adConnectUnspecified);
  pRst=pConn->Execute("select * from author",NULL,adCmdText);
  while(!pRst->rsEOF)
{
((CListBox*)GetDlgItem(IDC_LIST1))->AddString(
(_bstr_t)pRst->GetCollect("jk"));
pRst->MoveNext();
}
pRst->Close();
pConn->Close();
pRst.Release();
pConn.Release();

CoUninitialize();
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pRst.Release();
pConn.Release();
pRst->Close();
pConn->Close();
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ConnectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\access\db1.mdb;Persist Security Info=False";
pConn->Open(ConnectionString,"","",adConnectUnspecified); 




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_RecordsetPtr CMyAdo::SelectRecord(string &where, string &tablename,string &field, int way )
{
    int ret = 0;
  _RecordsetPtr pset;
CString  sql;
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var
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