public ActionResult Edit(BusStationModel model)
        {
            ViewBag.IsInsert = false;
            // does existing bus station
            var result = _busStationService.GetList().Where(o => o.IdBusStation != model.IdBusStation && o.Name == model.Name);

            if (result.Count() == 0) // not existing, can insert
            {
                var    entity = _mapper.Map <BusStation>(model);
                string error  = _busStationService.Update(entity);
                if (error != null)
                {
                    ModelState.AddModelError(string.Empty, error);
                    return(View("InsertOrUpdate", model));
                }
                else
                {
                    return(RedirectToAction("Index"));
                }
            }
            else
            {
                ModelState.AddModelError(string.Empty, string.Format(Resource.ExistingNameOfError, Resource.BusStation));
                return(View("InsertOrUpdate", model));
            }
        }