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From Peter Alfors <peter.alf...@irista.com>
Subject Re: Drop-down list
Date Thu, 01 Mar 2001 20:23:52 GMT
If you wanted to use a bean to store the select options, place it in the user's
session.  Then, check to see if it exists before refreshing it.

HTH,
    Pete

"Dorai, Harish (c)" wrote:

> Suppose I have the drop down list which I wanted to create from a database
> and the database is updated less frequently, is there a way in which I can
> implement somekind of caching mechanism, with which I won't do a database
> query always, instead I can use the cache to populate the drop down list?
>
> -----Original Message-----
> From: martin.cooper@tumbleweed.com [mailto:martin.cooper@tumbleweed.com]
> Sent: Thursday, March 01, 2001 3:02 PM
> To: struts-user@jakarta.apache.org
> Subject: Re: Drop-down list
>
> Add the attribute to your tag like so:
>
> <html:select ... multiple="true" ...>
>
> and make sure the corresponding property in your form bean is an array of
> values.
>
> See the docs for more details:
>
> http://jakarta.apache.org/struts/struts-html.html#select
>
> Hope this helps.
>
> --
> Martin Cooper
> Tumbleweed Communications
>
> At 11:44 AM 3/1/01 -0800, Spencer Smith wrote:
> >Do you guys know how to define the Multiple attribute in a select drop down
> >list for Struts?
> >
> >----- Original Message -----
> >From: "Peter Alfors" <peter.alfors@irista.com>
> >To: <struts-user@jakarta.apache.org>
> >Sent: Thursday, March 01, 2001 11:29 AM
> >Subject: Re: Drop-down list
> >
> >
> > > When adding options to a select that are stored in a database, we have
> the
> > > action class look-up the necessary information, store it in a bean,
> place
> >the
> > > bean in the request / session, and then use a taglib on the page that
> >specifies
> > > the source (the bean) and the property (database column) that should be
> >used to
> > > populate the select.
> > > This gaurentees that the data in the select list is up to date.
> > >
> > > HTH,
> > >     Pete
> > >
> > > "Deadman, Hal" wrote:
> > >
> > > > Does this assume that you have loaded a Collection of LabelValueBeans
> in
> >the
> > > > application scope? Do you really need that scriplet at the top of the
> >page?
> > > > I thought html:options could reference the collection where it is in
> the
> > > > servlet context, without copying the reference to the page context.
> > > >
> > > > Hal
> > > >
> > > > -----Original Message-----
> > > > From: Spencer Smith [mailto:spencers@newdestiny.net]
> > > > Sent: Thursday, March 01, 2001 11:39 AM
> > > > To: struts-user@jakarta.apache.org
> > > > Subject: Re: Drop-down list
> > > >
> > > > This is how we do it...(I think the work simple should be ommitted)
> > > >
> > > > Get the content at the top of the JSP page.
> > > > <%
> > > > pageContext.setAttribute("nameSuffixTypes",
> > > > getServletContext().getAttribute("nameSuffixTypes"));
> > > > %>
> > > >
> > > > Place this where you want the Drop Down List on the JSP page.
> > > > <html:select property="suffix">
> > > >        <html:options collection="nameSuffixTypes" property="value"
> > > > labelProperty="label" />
> > > > </html:select>
> > > >
> > > > ----- Original Message -----
> > > > From: Kyle  <mailto:KRobinson@pangaeainc.com> Robinson
> > > > To: 'struts-user@jakarta.apache.org'
> > > > <mailto:'struts-user@jakarta.apache.org'>
> > > > Sent: Thursday, March 01, 2001 8:42 AM
> > > > Subject: Drop-down list
> > > >
> > > > What is the simplest way to dynamically create a drop-down list
> > > > (<select>) that pulls values from a database?  Is there a specific
tag
> I
> > > > should use?  Iterator?
> > > >
> > > > Kyle Robinson
> > > > Systems Consultant
> > > > Pangaea Systems Inc.
> > > > (250) 360-0111
> > >

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