public async Task <bool> ValidateId(ProductType ProductType) { ProductTypeFilter ProductTypeFilter = new ProductTypeFilter { Skip = 0, Take = 10, Id = new IdFilter { Equal = ProductType.Id }, Selects = ProductTypeSelect.Id }; int count = await UOW.ProductTypeRepository.Count(ProductTypeFilter); if (count == 0) { ProductType.AddError(nameof(ProductTypeValidator), nameof(ProductType.Id), ErrorCode.IdNotExisted); } return(count == 1); }