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php-db | 2002091

[PHP-DB] Form question....... From: Rodrigo (rodrigo <email protected>)
Date: 09/04/02

Hi, i have a question, it may be dumb, but i´m very new with php and mysql, i need help.

 how can i check a form when i change from one field to another???? I want make a condition.....if the number i typed is allready in the database, not just when i finish filling out the hole form...clickin in submit and then make the conditions....help !!!! heheheh

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         Rodrigo Corrêa
         rodrigo <email protected>

      Obs: Sorry about the english, i´m from Brazil...so my english isn´t good