Hi Erwin
I see no issues with client side form validation and web
standards, some validation should always be in place when accepting user input.
This can either be done on the server (which requires a postback event to be
triggered which means at least one round trip to the server before the input is
accepted. On a busy site this would be expensive on resources. Hence, the
optimum solution is the have the client browser perform validation BEFORE
submission to the server. The has no impact on the standards applied to the site
other than the fact that any user feedback (x)html that is generated from the
_javascript_ should be in a w3c standard for the doctype.
From a security standpoint always validate user input from
an untrusted source to prevent any client side injection
attacks.
Personally I would rather develop the validation tools and
forms myself. As I use .net this is a snip (especially in the beta of asp.net
2.0 as the markup generated here is xhtml compliant).
It will be interesting to see what others in the group come
back with.
HTH
Peter Goddard
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Erwin Heiser
Sent: 20 July 2005 13:06
To: [email protected]
Subject: [WSG] Form Builder
I stumbled across this Formbuilder application this morning:
http://www.formassembly.com/
Has anyone here ever used it on a site?
They claim to produce valid forms but most of the example forms do not pass the W3C validator.
And where does the group stand on client-side (_javascript_) form validation?
Thanks,
Erwin Heiser
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