public ViewResult Index(int?page)
{
int pageNumber = (page ?? 1);
IEnumerable <Chef> chefs = _chefService.GetAllChefs();
IEnumerable <ChefIndexViewModel> model
= Mapper.Map <IEnumerable <Chef>, IEnumerable <ChefIndexViewModel> >(chefs);
model = model.ToPagedList(pageNumber, PageSize);
return(View(model));
}