input validation

irisclaire · #1 (**permalink**) 02-02-06, 01:41

i want to check if the user inputed record is in the database(relational) before adding or saving it.

Bullschmidt · #2 (**permalink**) 02-07-06, 19:50

Here are some interesting server-side validation links that hopefully will give you some ideas:

Server-Side Form Validation by Dianna Leech
http://www.4guysfromrolla.com/webtech/120199-1.shtml

An Email Validation Routine by João Vieira
http://www.4guysfromrolla.com/webtech/041199-1.shtml
Somewhat shorter.

An Email Validation Script by Ben Durbin
http://www.4guysfromrolla.com/webtech/051999-1.shtml
Longer.

Form Handler: Some light form validation and error notification.
http://www.asp101.com/samples/form_handler.asp