Adding a default SelectListItem

Question

 public IEnumerable GetList(int? ID)
 {
      return from s in db.List
             orderby s.Descript
             select new SelectListItem
          


        

Answer 1

return new[] { new SelectListItem { Text = ... } }.Concat(
       from s in db.List
       orderby s.Descript
       select new SelectListItem
       {
           Text = s.Descript,
           Value = s.ID.ToString(),
           Selected = (s.ID == ID)
       });