XPages Tip: Disabling Required Validation in a Dojo Filtering Select
Dojo Filtering Select (
xe:djFilteringSelect) controls include client side ‘required’ validation by default. The problem is that if it fails this validation, any page submission or other server-side action will not be triggered. However, if you want to disable this validation, the built-in property of the control doesn’t work. In this post, I’ll show how to achieve the desired effect.
Creating a Filtering Select
If you’re not familiar with the Dojo Filtering Select, take a look at this post.
Take, for example, the Dojo Filtering Select that I used in a recent post about changing the search behavior of a Dojo Filtering Select:
If I clear the value in the field and tab out of it, I am presented with this error message: ‘This value is required’
The problem is that any server-side onChange error handler of the field will not fire because the field failed client-side validation.
Disabling the Required Validation
The Dojo documentation shows that adding a
required attribute and setting it to
false will disable this behavior.
required property on the
djFilteringSelect control. Unfortunately, it has no effect when set to
If you look at the HTML output, you’ll see that the field has this attribute:
To get it to work, you can add the
required attribute (and set it to
false) as a Dojo attribute.
This does the job and it changes the attribute in the HTML output for the page to: