public ActionResult Book(string ToBook)
{
Apartment a = _myBll.GetExactApartment(ToBook);
List <string> list = new List <string>();
a.GetReservedDates().ForEach(f => list.Add(f.ToString("yyyy-MM-dd")));
var res = list.ToArray();
ViewBag.Dateses = res;
return(View(a));
}