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display an error message when inserting duplicate value

P: 1
I am learning in PHP and HTMl. AND XAMPP. when i inserting any duplicate value. I want to display message with duplicate message or the data already exist or something like that.

Plz. help me.
Jan 20 '13 #1
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Expert Mod 15k+
P: 16,027
What have you tried so far? Please post your code (using code tags).
Jan 20 '13 #2

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