/// <summary>
/// Given an account number, check the validity of it
/// </summary>
/// <returns>True if valid, false otherwise</returns>
private bool TryValidateCard()
{
return(AccountNumber.IsValidCard());
}
/// <summary>
/// Given an account number, check the validity of it
/// </summary>
/// <returns>True if valid, false otherwise</returns>
private bool TryValidateCard()
{
return(AccountNumber.IsValidCard());
}