Undefined index error PHP

Question

I\'m new in PHP and I\'m getting this error:

Notice: Undefined index: productid in /var/www/test/modifyform.php on line 32

Notice: Undef

Answer 1

Hey this is happening because u r trying to display value before assignnig it U just fill in the values and submit form it will display correct output Or u can write ur php code below form tags It ll run without any errors