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CString strConnect="DRIVER={Microsoft Access Driver (*.mdb)}; uid=; pwd=; DBQ=config.mdb;";
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CFileDialog m_dlg(TRUE,".MDB", NULL, 0, "Office Access(*.mdb)|*.mdb||", this);
if (m_dlg.DoModal() == IDOK)
{
CString strfileName = m_dlg.GetFileName();
try
{
m_pConnection.CreateInstance("ADODB.Connection");
CString strConnect;
strConnect.Format("DRIVER={Microsoft Access Driver (*.mdb)}; uid=; pwd=; DBQ=%s;", strfileName);
m_pConnection->Open((_bstr_t)strConnect, "", "", adModeUnknown);

}
catch(_com_error e)
{
  AfxMessageBox("Á¬½ÓÊý¾Ýʧ°Ü£¬Çë¼ì²éÊý¾Ý¿â·¾¶ÊÇ·ñÕýÈ·£¡");
}
}
else
{
AfxMessageBox("ÇëÑ¡ÔñÎļþ£¡");
}

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