They follow whatever coding scheme that particular card company chooses.
The last digit, however, is generated by performing a fixed set of calculations on the other digits.
Sometimes situations arise (input a phone number, zip code or credit card number) when the user should fill a single or more than one fields with numbers (0-9) in an HTML form.
You can write Java Script scripts to check the following validations.
This routine DOES NOT check that the date or time input values are valid, just that they match the required format (d/m/y and h:m). Once you're in control of the input format, it's a lot easier to check that the values are actually valid.
The function has been improved now so that the day, month and year values are checked to ensure that they're in the right ball-bark (ie. Also the year must be between 1902 and the current year.
In the example above, we load both French and Italian translations, and use Italian.
Here the Username and Password entered by the user is passed to the stored procedure and its status is captured and if the value is not -1 (Username or password incorrect) or -2 (Account not activated) then the user is redirected to the Home page using Hi, This is Mudassar Khan. Net Question Answer site, specially started to allow visitors of this site ask their doubts and queries. Just click the Ask Now button and ask your question now.
The year limitation would be used if you were asking for a date of birth or date of some recent event.
If you're setting up a calendar of future events you would check that the year is the current year or greater.
This code sample demonstrates the algorithm for validating a credit card number.Tags: Adult Dating, affair dating, sex dating