It looks to me like your <bean:define> and <html:options> tags are coded properly.
You might want to check that your ArrayList is not empty which would probably cause
the NPE.
I haven't used the scope and toscope parameters yet, but the documentation says that
the toscope param is used when trying to use the <bean:define> tag to make a copy of a
bean from one scope (scope) and placing the copy in another scope (toscope). If you
are just creating a copy of the bean for use in the page, then there is no need to use
the toscope param.
Good Luck
>>> [EMAIL PROTECTED] 11/20/01 09:51pm >>>
Peter,
When I used the <bean:define> tag together with <html:options>.
I had first define a
bean with a property that contains an ArrayList of LabelValueBeans. But
the code fails to work. I'm getting a NullPointerException.
<bean:define id="travelPeriodList" name="newsletterForm"
property="travelDaysList"/>
<html:select property="targetDuration" size="0" value="">
<html:options collection="travelPeriodList" property="value"
labelProperty="label"/>
</html:select>
And btw, can someone explains to me what's the difference between scope
and toScope? thanks
+trish
-----Original Message-----
From: Peter Pilgrim [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, November 20, 2001 10:49 PM
To: Struts Users Mailing List
Subject: Re: Options tag question
Unfortunately the current <html:options> requires that you use
<bean:define>
indirectly to use the tag.
<define:bean id="brokerLabelValues"
name="brokerForm"
property="brokers" />
<html:options collection="brokerLabelValues"
property="value" labelProperty="label" />
--
Peter Pilgrim ++44 (0)207-545-9923
//_\\
"Mathematics is essentially the study of islands of =======
disparate subjects in a sea of ignorance." || ! ||
Andrew Wiles _____________
---------------------------------------- Message History
----------------------------------------
From: [EMAIL PROTECTED] on 20/11/2001 09:44 EST
Please respond to "Struts Users Mailing List"
<[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
cc:
Subject: Options tag question
In reworking my Action classes, I tried to package all values needed for
my
form in the form bean, so I included a property that contains an
ArrayList
of LabelValueBeans.
Can I refer to this property to populate the <html:options> tag?
This nested syntax doesn't seem to work:
<html:options collection="brokerForm.brokers" property="value"
labelProperty="label" />
Or should I go back to including the ArrayList as a request attribute
and
return it that way.
Lee
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