----- Original Message -----
From: "Niall Pemberton" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>; "pls"
<[EMAIL PROTECTED]>
Sent: Saturday, May 15, 2004 4:43 PM
Subject: Re: How to set an ActionForm to null
> This is expected behaviour, when you forward to your second Action Struts
> will go through all its normal steps, finding/creating the ActionForm,
> populating the form from the request, validating and then calling the
> Action's execute method. So setting it to null isn't going to work, you
need
> to rethink how you design this.
>
> Niall
>
> ----- Original Message -----
> From: "pls" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Friday, May 14, 2004 5:33 AM
> Subject: How to set an ActionForm to null
>
>
> > hi there,
> >
> > i am trying to set an actionform to null after inserting it's properties
> > into a DB.
> > then, control is forwarded to a different action and the info is read
from
> > the DB back into the actionform for display by a JSP.
> >
> > the only part that is giving me trouble is with explicitly setting my
> > actionform "MBForm" to null. After several form submissions and a DB
> > update, the first Action attempts to clear the values in MBForm:
> >
> > request.getSession().setAttribute("MBForm", null);
> >
> > after this, control is forwarded to the second Action which handles the
> > display. it checks to see if MBForm is null and, if it is, it fills
> MBForm
> > from a DB. in between these two actions, the controller servlet is
> > automatically refilling the MBForm with the values that I just
nullified..
> > the only bean property that stays empty is myHash which represents
several
> > groups of multiboxes. i believe this is a result of the MBForm reset()
> > method which contains the following:
> >
> > myHash.put(multiBoxCategories, new Integer[0]); //resets several
> > groups of multiboxes
> >
> > setting other properties to null in the reset() method is not the
solution
> > as it wipes the value out after every (but somehow it doesn't do the
same
> > thing to the multiboxes?!?)
> >
> > let me know if this enough background for you to help me diagnose the
> > problem.. any discussion of reset() or is welcome.. thanks
> >
> >
> >
> >
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> >
> >
>
>
>
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