// TODO: Add extra validation here 
 UpdateData(TRUE);
 CString strSQL;
// CResourceSet m_recordset(&m_database);
 int i=1;
 int flag=0;
 while(!flag){
  CBookSet m_recordset(&m_database);
  strSQL.Format("select * from BOOK where BOOK_ID=%d",i);
  m_recordset.Open(AFX_DB_USE_DEFAULT_TYPE,strSQL);
  if(m_recordset.GetRecordCount()==0){
   strSQL.Format("insert into BOOK values(%d,\'%s\',\'%s\',%d,%d,%d,%f)",i,m_name,m_author,0,m_courseid,m_quantity,m_price);
   m_database.ExecuteSQL(strSQL);
   m_database.Close();
   CDialog::OnOK();
   flag=1;
  }
  i++;
  //m_recordset.Delete();