Field validation tab still enter data using regExp?

Hello

I use jdev 11.1.2.3

I have a requirement on the field validation tab...

I have a form that is not duplicate value accept value already existed DB table means so when back of the same value and tab on this high area error message (the code is already exist)

How to achieve this can someone help me with the code...

Thank you.

The solution is given in my other post. Implement a valueChangeListener in your beans. In the listener method call an application module method that checks the new value that you get from the event. If the new value is already in the DB add a message of faces in the listener for changes in value and set the new value to the old value to avoid the false value is found in the user interface.

Timo

Tags: Java

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