public ActionResult FSListbox()
        {
            BusinessLayer.PatientsBL patient = new BusinessLayer.PatientsBL();

            List <SelectListItem> incomes = (from i
                                             in patient.GetIncomes().ToList()
                                             select new SelectListItem()
            {
                Text = i.IncomeName,
                Value = i.IncomeId.ToString()
            }).ToList();

            string[] sIncomes = new string[incomes.Count()];

            for (int i = 0; i < incomes.Count(); i++)
            {
                sIncomes[i] = incomes[i].Text.ToString();
            }
            return(Json(incomes, JsonRequestBehavior.AllowGet));
        }