When we create any web-application in any one of the technology it is important to validate the form either at the client-side or server-side before it actually goes ahead for further processing. Here is this article where we are going to describe how to use a custom validator in Oracle ADF input fields.
For this article, we are considering there is a form that is already developed with some input fields. Let’s suppose there is an input field and we want users only to enter the alphanumeric characters.
Let’s see how this can be achieved in ADF.
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