private void ShowAllTransactions <AdminMethod>(string nula, string nulb, string nulc)
{
try
{
List <Transaction> transactions = Stregsystem.GetTransactions(null, 0);
UI.DisplayTransactions(transactions);
}
catch (ArgumentNullException)
{
UI.DisplayProducts(Stregsystem.ActiveProducts);
}
catch (Exception e)
{
UI.DisplayGeneralError(e.Message);
}
}