partial void DeleteI_INDEX_EX(I_INDEX_EX instance);
 partial void UpdateI_INDEX_EX(I_INDEX_EX instance);
		private void detach_I_INDEX_EX(I_INDEX_EX entity)
		{
			this.SendPropertyChanging();
			entity.I_ZONE = null;
		}
 partial void InsertI_INDEX_EX(I_INDEX_EX instance);
		private void attach_I_INDEX_EX(I_INDEX_EX entity)
		{
			this.SendPropertyChanging();
			entity.I_ZONE = this;
		}