partial void DeletetblTrangThai(tblTrangThai instance);
 partial void InserttblTrangThai(tblTrangThai instance);
 partial void UpdatetblTrangThai(tblTrangThai instance);
		private void detach_tblTrangThais(tblTrangThai entity)
		{
			this.SendPropertyChanging();
			entity.tblTaiLieu = null;
		}