validation of user name during the entering the data in form

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I am making a user sign up form. When the user submits a form, if the user name is a duplicate then show the user name as a primary key not repeated.

I would like to show a message to the user that the name already exists if the name they provide is a duplicate.

Any help is greatly appreciated.

Posted 2-Jun-11 23:49pm

pucit009

Updated 3-Jun-11 0:11am

Slacker007

v2

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hansoctantan · Answer 1 · 2011-06-03T00:14:00

Solution 1

use AJAX,
http://www.w3schools.com/php/php_ajax_database.asp[^],
you can get data without reloading a form

Posted 3-Jun-11 0:14am

hansoctantan

v2