从txt向access录入数据

OnAppend(CString c_1,CString c_2,CString c_3)
{
 
 
  
  UpdateData(true);
  _variant_t l_1,l_2,l_3;
 //m_pConnection.CreateInstance(__uuidof(Connection));
 //m_pRecordset.CreateInstance(__uuidof(Recordset));
 try{
  //m_pConnection->Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=swb.mdb","","",adModeUnknown);
  //m_pRecordset->Open("SELECT * FROM similar",m_pConnection.GetInterfacePtr(),adOpenDynamic,adLockOptimistic,adCmdText);  

  
  l_1=c_1;
  
  l_2=c_2;
  
  l_3=c_3;
  m_pRecordset->MoveLast();
  m_pRecordset->AddNew();
  m_pRecordset->PutCollect("类1",l_1);
  m_pRecordset->PutCollect("类2",l_2);
  m_pRecordset->PutCollect("相似度",l_3);
  m_pRecordset->Update();

 //m_pRecordset->Close();
 //   m_pConnection->Close();
 //m_pRecordset=NULL;
 //m_pConnection=NULL;

 }
 catch(_com_error* e)
 {
  AfxMessageBox(e->ErrorMessage());
 }
 

}