GetPeopleForDataTable_method.cs

public (IEnumerable<PersonTableViewModel> Data, int Count) GetPeopleForDataTable(DataParameters parameters)
{
    var items = personRepository.GetPeopleReadOnly()
                            .Select(x => new PersonTableViewModel
                            {
                                FullName = x.FullName,
                                PreferredName = x.PreferredName,
                                Phone = x.Phone,
                                Email = x.Email,
                                Age = (DateTime.Now.Subtract(x.DateOfBirth).Days / 365).ToString(),
                                Status = x.Status == true ? "Active" : "Inactive"
                            });

    if (!string.IsNullOrWhiteSpace(parameters.Search.Value))
    {
        PersonTableViewModel.Filter(ref items, parameters.Search.Value);
    }

    PersonTableViewModel.Order(ref items, parameters.Order[0].Column, parameters.Order[0].Dir);

    return (items, personRepository.Count());
}