EditString editstr
 String s = editstr->GetString()
// s contains "þþþýýçç" , database contains p,q,r where p,q,r as string
Sql sql
sql * Select(p).From(databse).Where(q = s)

// clearing s string
s.Clear();
while(sql.Fetch())
   s.Append(sql[p]);

editstr->SetString(s);