public ActionResult GetPayment(int?id)
 {
     if (id != null)
     {
         Subscriptions data = subs.getSubscription(id);
         List <SusbscriptionInvoice> sbInv = subs.GetSusbscriptionInvoices(data.Id);
         model.subs = data;
         model.sbIn = sbInv;
         ViewBag.ID = id;
     }
     return(View(model));
 }