// GET: Doctors
        public ActionResult Index(string searchString = "")
        {
            IBL bl = new BLImplement();
            List <DoctorViewModel> lst = new List <DoctorViewModel>();

            foreach (var item in bl.getAllDoctors())
            {
                lst.Add(new DoctorViewModel(item));
            }
            if (!String.IsNullOrEmpty(searchString))
            {
                lst = lst.Where(s => s.Name.ToLower().Contains(searchString.ToLower()) || s.SpecialName.ToLower().Contains(searchString.ToLower())).ToList();
            }
            return(View(lst));
        }