void view_AddNewSubscription(object sender, EventArgs e)
        {
            int      count = view.NewSubscriptionCount;
            float    price = view.NewSubscriptionPrice;
            DateTime date  = view.NewSubscriptionDate;

            if (count != 0 && price != 0)
            {
                Subscription subscription = Subscription.CreateNewSubscription(view.NewSubscriptionCount, view.NewSubscriptionPrice, view.NewSubscriptionDate);

                Client client = view.Client;

                clientManager.BuySubscription(client, subscription);
                //subscriptionManager.AddNewSubscription(client, subscription);
            }
            else
            {
                messager.ErrorMessage("Неправильно заполнена форма!");
            }
        }