C# (CSharp) QueryPredicates Examples

Example #1

File: SetActiveStatusRequestValidator.cs Project: IT-Labs/Blazor

        public SetActiveStatusRequestValidator(DomainRepository repository)
        {
            _repository = repository;

            RuleFor(x => x)
            .Must(x => NotAny(_repository, QueryPredicates.ChangedStatus <TEntity>(x.Id, x.IsActive)))
            .WithError(ValidationCodes.Common.Cmn044, values: typeof(TEntity).Name);
        }

Example #2

File: EmailFilter.cs Project: IT-Labs/Blazor

        public IQueryable <T> Filter(IQueryable <T> query)
        {
            if (string.IsNullOrEmpty(_keyword))
            {
                return(query);
            }

            return(query.Where(QueryPredicates.EmailFilterPredicate <T>(_keyword)));
        }