private void detach_tblMaytinhs(tblMaytinh entity) { this.SendPropertyChanging(); entity.tblPhonghoc = null; }
partial void UpdatetblMaytinh(tblMaytinh instance);
partial void DeletetblMaytinh(tblMaytinh instance);
partial void InserttblMaytinh(tblMaytinh instance);