public async Task <bool> ValidateId(Image Image) { ImageFilter ImageFilter = new ImageFilter { Skip = 0, Take = 10, Id = new IdFilter { Equal = Image.Id }, Selects = ImageSelect.Id }; int count = await UOW.ImageRepository.Count(ImageFilter); if (count == 0) { Image.AddError(nameof(ImageValidator), nameof(Image.Id), ErrorCode.IdNotExisted); } return(count == 1); }