Conditional Checkbox Validation

I have three checkboxes in a group. Can I make them dependent on each other so that if checkbox 1 is checked, you can't check checkbox 2 or 3. If checkbox 2 is checked, you can't check 1 and 3, etc? In other words, of the three checkboxes, you can only check one option and if you check more to receive an error?.

Read more: Conditional Checkbox Validation

Special Offer

Sale! All subscriptions at a special price!

Includes prio support, all of our current and future Joomla!® extensions and Joomla!® templates for the duration of your membership.

Get it from here

3rd Party Discount - 25% Off

We help you to keep your costs under control. If you are a new member and purchased a form building tool from a different form vendor, then you'll get a 25% discount on our subscription plans.

How to receive the discount:

Send us a quick email to with a proof of purchase (for example a paypal receipt), await payment instructions and enjoy your membership!