public void DeleteForm(string keyValue) { if (service.Count(m => m.F_ParentId, m => m.F_ParentId == keyValue) > 0) { throw new Exception("删除失败!操作的对象包含了下级数据。"); } else { service.Delete(m => m.F_Id == keyValue); } }
private bool ItemExists(int id) { return(_itemsRepository.Count(id) > 0); }