Performs a Luhn check using the last digit as the check sum.

Arguments

object
	Required. Always the name of a atcValidate Object
Number
	Required. The number to check using the Luhn formula.

Remarks

The CheckLuhn method will check the given number to make sure that it passes the "Luhn" or the "MOD10" test using the last digit of the number as the checksum. It will return one of the following error values:

0	No error, this is a number.
-1	General validation error, see error description.

See Also

ValidateCCNumber