> From: Luca Morandini [mailto:[EMAIL PROTECTED]]
> 
> Peter,
> 
> I beg to differ. The most part of validation is a trivial matter
(minimum
> lenght of fields, bounds checking, ...) and this should, in my eyes,
be done
                                                   ^^^^^^
*must*

:)

Vadim

> on the client: max performance, min hassles for the user (errors are
> interactivaley corrected).
> 
> Moreover, I haven't understood (probably my fault) how XMLForms can be
> rendered on the client with all the bells and whistles the user wants
> (styles, images, ...).
> 
> Hence, I think I'll roll my own client-side form handling package,
using the
> template language envisaged in
> http://www.xml.com/pub/a/2002/03/27/templatexslt.html by Jason
Diamond.
> 
> Best regards,
> 
> ---------------------------------------------
>                Luca Morandini
>                GIS Consultant
>               [EMAIL PROTECTED]
> http://utenti.tripod.it/lmorandini/index.html
> ---------------------------------------------
> 
> 
> > -----Original Message-----
> > From: Hunsberger, Peter [mailto:[EMAIL PROTECTED]]
> > Sent: Friday, June 07, 2002 7:06 PM
> > To: '[EMAIL PROTECTED]'
> > Subject: RE: Logging and Form Validation
> >
> >
> > > This is a major
> > > sticking point for my developers that like and are comfortable
with jsp
> > > with javascript embedded.
> > > They want to keep it at the client and I am trying to build a
> > case for the
> > > server through cocoon.
> >
> > IMNSHO, the only way you can justify client side validation is if
you are
> > running an Intranet and you have an organization that somehow
> > restricts the
> > users capability to modify browsers settings so that you can ensure
> > JavaScript is enabled.  Otherwise, you can receive unvalidated
data...
> >
> > If you're running over the Internet it's fine to use client side
> > validation
> > in addition to server side if you want to have some extra
performance
> > benefits for those who have JavaScript enabled.  However, who wants
to
> > maintain both?
> >
> > Even if you have an Intranet and locked down browser settings,
client side
> > validation can be a real pain to maintain over time.  In particular,
there
> > is (usually) no good coupling between the validation and the rest of
the
> > server side code.  The exception is if you generate your client side
> > validation code from server side templates.  That's quite possible,
but I
> > suspect that once you developers jump through the hoops of embedding
> > JavaScript within  XML ( lot's of escaping and/or CDATA) they won't
object
> > to server side validation nearly so much...


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