public IActionResult Get() { var pagination = Request.Headers["Pagination"]; if (!string.IsNullOrEmpty(pagination)) { string[] vals = pagination.ToString().Split(','); int.TryParse(vals[0], out page); int.TryParse(vals[1], out pageSize); } int currentPage = page; int currentPageSize = pageSize; var totalBooks = _booksRepository.Count(); var totalPages = (int)Math.Ceiling((double)totalBooks / pageSize); IEnumerable <Order> _order = _orderRepository .AllIncluding(b => b.Books) .OrderBy(b => b.Id) .Skip((currentPage - 1) * currentPageSize) .Take(currentPageSize) .ToList(); Response.AddPagination(page, pageSize, totalBooks, totalPages); IEnumerable <OrderViewModel> _orderVM = Mapper.Map <IEnumerable <Order>, IEnumerable <OrderViewModel> >(_order); return(new OkObjectResult(_orderVM)); }