public static PersistenceManager GetInstance()
{
if (instance == null)
instance = new PersistenceManager();
return instance;
}
private PaymentController()
{
pm = PersistenceManager.GetInstance();
paymentsView = pm.GetPaymentsView();
customersView = pm.GetCustomersView();
paymentsView.AllowDelete = false;
paymentsView.AllowEdit = true;
paymentsView.AllowNew = false;
customersView.AllowDelete = false;
customersView.AllowEdit = true;
customersView.AllowNew = false;
}