public ActionResult BookRoom(int Id) { Room model = repository.GetRoomById(Id); List <DateTime> list = repository.GetDaysBookedRoom(Id); List <string> liststring = new List <string>(); foreach (var item in list) { liststring.Add(item.ToShortDateString()); } BookRoomViewModel viewmodel = new BookRoomViewModel(); viewmodel.room = model; viewmodel.list = liststring; return(View(viewmodel)); }