/// <summary>
        /// On Get method.
        /// </summary>
        public async Task OnGetAsync(string sortOrder)
        {
            IdSort   = string.IsNullOrEmpty(sortOrder) ? "id_desc" : string.Empty;
            NameSort = string.IsNullOrEmpty(sortOrder) || sortOrder.Equals("name") ? "name_desc" : "name";

            var supplierListItems = _dataContext.Suppliers.Select(s => new SupplierInfoModel
            {
                SupplierId = s.SupplierId,
                Name       = s.Name,
                ItemCount  = _dataContext.Items.Count(i => i.SupplierId.Equals(s.SupplierId))
            });


            switch (sortOrder)
            {
            case "id_desc":
                Suppliers = supplierListItems.OrderByDescending(s => s.SupplierId);
                break;

            case "name":
                Suppliers = supplierListItems.OrderBy(s => s.Name);
                break;

            case "name_desc":
                Suppliers = supplierListItems.OrderByDescending(s => s.Name);
                break;

            default:
                Suppliers = supplierListItems.OrderBy(s => s.SupplierId);
                break;
            }

            await Suppliers.AsNoTracking().ToListAsync();
        }