Re: Struts Validator and Hidden Field

[Joe @ Team345]

Octavia,

I bit of a guess on my part, but it sounds like you want to use the 
"requiredif" validator.  This allows a particular field to be required 
(or not) based on other fields.  The fact that this might be a hidden 
field should be, as pointed out by others, transparent to the validator. 
However, also pointed out is the most troubling question: if it is on a 
hidden field and your validation fails, what can your users possibly 
ever do to correct the situation?

Octavia Yung wrote:

Thanks for the responses, David and Wendy.

In order to determine if a particular form field is required, I need to
determine the property of another field.  Therefore, I thought it would be
best to hold this other property in a hidden field.
I have tried to validate it as any other input field, but have not had any
luck.  Any suggestions/ideas?  Thanks much!
----- Original Message -----
From: "Wendy Smoak" <[EMAIL PROTECTED]>
To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]>
Sent: Thursday, August 28, 2003 3:36 PM
Subject: RE: Struts Validator and Hidden Field
 

I was wondering if it is possible to validate a hidden field using the
Struts Validator framework.  If so, an example would be extremely
     

helpful.
 

Validator is a separate project in the Jakarta Commons, it's not part of
Struts proper.
Sure you could validate a hidden field, but what's the poor user supposed
   

to
 

do when you toss back an error that such-and-such field is required?  He
can't DO anything about it, the field is hidden!  (Unless perhaps there's
client side scripting setting a value when he fills in a visible field?)
I don't see it as any different than validating a text box, did you try it
and it didn't work?  By the time the request gets turned into a Form bean,
Struts doesn't know or care that the field was hidden on the HTML form it
came from.
--
Wendy Smoak
Applications Systems Analyst, Sr.
Arizona State University, PA, IRM
   



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