public int Change(engage_subjects t) { return(dao.Change(t)); }
public int Del(engage_subjects t) { return(dao.Del(t)); }
public int Add(engage_subjects t) { return(dao.Add(t)); }
public engage_subjects SelectOne(engage_subjects us) { return(ist.SelectBy(e => e.sub_id == us.sub_id)[0]); }
public bool Upd(engage_subjects us) { return(ist.Upd(us)); }
public bool Add(engage_subjects us) { return(ist.Add(us)); }
public bool Del(engage_subjects us) { return(ist.Del(us)); }