partial void DeletetblTuKhoa(tblTuKhoa instance);
 partial void InserttblTuKhoa(tblTuKhoa instance);
 partial void UpdatetblTuKhoa(tblTuKhoa instance);
		private void detach_tblTuKhoas(tblTuKhoa entity)
		{
			this.SendPropertyChanging();
			entity.tblTaiLieu = null;
		}