public void ChangeContact()
{
Console.WriteLine("Podaj numer użytkownika :");
string stringId = Console.ReadLine();
Console.WriteLine("Nowy numer telefonu :");
string newPhone = Console.ReadLine();
try
{
int id = Int32.Parse(stringId);
var ownerController = new OwnerController();
ownerController.ChangePhoneNumber(id, newPhone);
}
catch (FormatException e)
{
Console.WriteLine(e.Message);
}
}