public ActionResult Edit(ServicesModel servicesModel)
        {
            if (ModelState.IsValid)
            {
                var editService = ServiceManager.Edit(servicesModel.Id, servicesModel.ServiceName, servicesModel.UnitPrice,
                                                      servicesModel.NetPrice, servicesModel.Vat);

                return View(editService);
            }
            else
            {
                return View();
            }
        }
        public ActionResult Create(ServicesModel servicesModel)
        {
            if (ModelState.IsValid)
            {
                var newService = ServiceManager.AddNew(servicesModel.Id, servicesModel.ServiceName, servicesModel.UnitPrice,
                                                servicesModel.NetPrice, servicesModel.Vat);

                return View(newService);
            }
            else
            {
                return View();
            }
        }