Pagination.cshtml.cs

public class PaginationModel : PageModel
{
    private readonly IPersonService _personService;

    public PaginationModel(IPersonService personService)
    {
        _personService = personService;
    }

    [BindProperty(SupportsGet = true)]
    public int CurrentPage { get; set; }
    [BindProperty(SupportsGet = true)]
    public string SortBy { get; set; } 
    public int Count { get; set; }
    public int PageSize { get; set; } = 10;

    public int TotalPages => (int)Math.Ceiling(decimal.Divide(Count, PageSize));

    public List<Models.Person> Data { get; set; }

    public bool ShowPrevious => CurrentPage > 1;
    public bool ShowNext => CurrentPage < TotalPages;
    public bool ShowFirst => CurrentPage != 1;
    public bool ShowLast => CurrentPage != TotalPages;

    public async Task OnGetAsync()
    {
        Data = await _personService.GetPaginatedResult(CurrentPage, PageSize, SortBy);
        Count = await _personService.GetCount();
    }
}