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how to validate a field on condition?

Thread began 7/07/2016 4:31 am by tony | Last modified 7/07/2016 10:22 pm by Ray Borduin | 108 views | 5 replies |

tony

how to validate a field on condition?

Hi all,
I have a form with a dropdown menu and a text field.
The text field is disabled until I select a specific value from the dropdown menu.
When I select the right value in the dropdown menu, the text field gets enabled (I used jquery to handle enable/disable) and I need to validate it.
If it's disabled I don't have to validate it.
How can I validate the text field only if it's enabled?
TIA
tony

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Ray BorduinWebAssist

Are you doing client or server validation for the rest of the form?

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tony

Originally Said By: Ray Borduin
  Are you doing client or server validation for the rest of the form?  


I'm doing server side validation.
TIA
tony

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Ray BorduinWebAssist

In your validation you can use something like: <?php echo($_POST['selectfieldname']=="other")?$_POST['textfieldname']:"n/a"; ?>

That way if the value of the select field is "other" it will validate the text field, but if it isn't it will use "n/a" which would pass validation.

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tony

Originally Said By: Ray Borduin
  In your validation you can use something like: <?php echo($_POST['selectfieldname']=="other")?$_POST['textfieldname']:"n/a"; ?>

That way if the value of the select field is "other" it will validate the text field, but if it isn't it will use "n/a" which would pass validation.  


Hi Ray,
thanks for your patience,
where should I put this code?
what kind of validation should I select from the "validation type" list?
TIA
tony

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Ray BorduinWebAssist

As the validated value. I was thinking you were needing required validation.

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