[Zope] Passing object name or id to DTML method

[Vinod Shrestha]

Thanks. It appears <dtml-with "_[xxx]"> was what I needed.
I was trying to display DTML documents with properties.
You have been a great help!

Vinod.

----- Original Message -----
From: "Joel Burton" <joel@joelburton.com>
To: "Vinod Shrestha" <vinods@karna.com>
Cc: <zope@zope.org>
Sent: Monday, March 04, 2002 2:48 PM
Subject: Re: [Zope] Passing object name or id to DTML method


> On Mon, 4 Mar 2002, Vinod Shrestha wrote:
>
> > I have a DTML method similar to the one below. I want to call this
> > (from an html link) with an argument that is the name of the object
> > xxx (eg. http://localhost/zope/test?xxx=item1_id). The idea is to use
> > the same DTML method to render many instances of the object type.
> > Being a newbie, I would appreciate your help--an example would be
> > nice. Thanks.
> >
> > <dtml-with xxx>
> > ....
> > </dtml-with>
>
> Well, it depends what the object is that you want rendered. For example,
> with content from a relational DB (like PostgreSQL or MySQL), you might be
> passing a primary key. So, your code would look like:
>
> <dtml-with "MyZSQLMethod({'primary_key_field':xxx})">
>   <dtml-var first_name> <dtml-var last_name> ...
> </dtml-with>
>
> If the object being passed was a DTML Document that had properties you
> wanted you can just use it like:
>
> <dtml-with "_[xxx]">
>   <dtml-var first_name> <dtml-var last_name> ...
> </dtml-with>
>
> The _[xxx] syntax means "look up the value of the variable xxx in the
> current namespace". This is different than _["xxx"] which means look up
> the object called "xxx" in the namespace ('xxx' is literally used, not
> the value of the variable.)
>
> When you say simply <dtml-with xxx>, you're saying the same thing as
> _["xxx'].
>
> Hope this helps. It might be helpful to be specific about what kind of
> information you're displaying and what kind of objects these are.
>
> --
>
> Joel BURTON  |  joel@joelburton.com  |  joelburton.com  |  aim:
wjoelburton
> Independent Knowledge Management Consultant
>