private void detach_Lops(Lop entity) { this.SendPropertyChanging(); entity.Nganh = null; }
private void attach_Lops(Lop entity) { this.SendPropertyChanging(); entity.Nganh = this; }
partial void UpdateLop(Lop instance);
partial void DeleteLop(Lop instance);
partial void InsertLop(Lop instance);