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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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D:\access\db1.mdb;
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D:\\access\\db1.mdb
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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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pConn->Open("&qu


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function returnrsByParam(strsql,con,cursor_type,lock_type,options)
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