public JsonResult EditCW(int id, string postcode ,int waitingTime, int cabid)
        {
            CoverageAndWaiting cw = new CoverageAndWaiting();
            cw.id = id;
            cw.postCode = postcode;
            cw.waiting = waitingTime;
            cw.CabOfficeId = cabid;

            db.Entry(cw).State = EntityState.Modified;
            db.SaveChanges();
            var CW = db.CoverageAndWaitings.ToList();


            return Json(new { CWlist = CW }, JsonRequestBehavior.AllowGet);
        }
        public JsonResult AddCoverageAndTime(string coverage, int Wating, int cabId)
        {
            
            CoverageAndWaiting addData = new CoverageAndWaiting();
            addData.postCode = coverage;
            addData.waiting = Wating;
            addData.CabOfficeId = cabId;

            db.CoverageAndWaitings.Add(addData);
            db.SaveChanges();

            var CW = db.CoverageAndWaitings.ToList();


            return Json(new { CWlist = CW }, JsonRequestBehavior.AllowGet);
            //return Json(1);
        }