public JsonResult GetEsentialMedicinesAjax()
{
pharmacy = new Pharmacy(_userName);
List <MedicineView> medicineList = pharmacy.GetEsentialMedicines();
JavaScriptSerializer serializer = new JavaScriptSerializer();
var serealized = JsonConvert.SerializeObject(medicineList);
return(this.Json(serealized, JsonRequestBehavior.AllowGet));
}