The CSaleUserCards class is used to manage customers' credit cards.
||The method deletes information about a user's credit card.
||The method returns parameters of the specified credit
||The method adds information about a new user credit card.
||The method modifies the information about a new user credit
||The method returns records containing information about credit cards according to the
||The method encrypts or decrypts the credit card number.
||The method checks whether the
password for credit card number encryption is set.
||The method returns the type of the credit card by