//assuming request parameter..
#parameters['model.parentId']
http://struts.apache.org/2.x/docs/ognl-basics.html
//if you dont know the scope try
#attr['foo']
which will ref request/session/application respectively..
M-
----- Original Message -----
From: "Dave Newton" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <user@struts.apache.org>
Sent: Thursday, January 31, 2008 2:22 PM
Subject: Re: #request scope
> --- Laurie Harper <[EMAIL PROTECTED]> wrote:
> > Dave Newton wrote:
> > > --- [EMAIL PROTECTED] wrote:
> > >> Yeah, that's what I thought too! I'm passing the parameter via:
> > >>
> > >> <s:url id="url" action="%{actionClass}_show">
> > >> <s:param name="model.parentId" value="id"/>
> > >> </s:url>
> > >>
> > >> and the tag <s:property value="#request.model.parentId" /> outputs
the
> > >> number to the top of the page just fine.
> > >
> > > Do you have a "model" property in your action?
> > >
> > >> In fact, if I use #parameters.model.parentId I get nothing.
> > >
> > > If I use a parameter named "foo", set to "bar", I can't dupe this
issue.
> > >
> > > If I include a "." operator then I'd suspect breakage as OGNL will
> > attempt to
> > > call "getParentId()" on an object called "model". These are
expressions,
> > not
> > > simple, unparsed strings.
> >
> > Yeah, the period seems likely to be the issue, though I'm not sure why
> > the expression would work in one context but not another in the same
> > page. I would suggest two experiments:
>
> I'm still not convinced it does; there is no way (that I'm aware of) that
a
> request parameter would ever be available as a request attribute, so I
think
> something else is happening there in the code. Most likely something is
> putting a model into request scope.
>
> > 2, if that works then try playing with the OGNL expression; something
> > like #parameters['model.parentId'] may work (haven't tried that tho').
>
> Correct; using map-style (i.e, stopping expression evaluation) works as
> expected.
>
> Dave
>
>
>
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