public void OnGet() { AutherList = Authers.Select(cust => { return(new SelectListItem(String.Format("{0} ({1})", cust.Name, cust.Email), cust.Email)); }); List <SelectListItem> list = new List <SelectListItem>(); foreach (var cust in Authers) { list.Add(new SelectListItem(cust.Name, cust.Email)); } AutherList = list; }