Jim's Blog

One thing that I thought of, you would probably want your label unique in the whole form, so it's probably not the best to just tie it to the text in the check box (like if you had two sets of check boxes with "N/A").

So, it's better to tie in the property ("selectedItems" in this case) as well. I'll change the posted example when I can try it out and make sure that it works.

Thanks for the tip, it got me on the right track.
One possible change is to use the indexId property
of the iterate tag to simplify the naming and not
worry about any funky characters in the labels.
Just substitute some logical name for the control
for "xx" in the snippet below. This also removes
the need for the cast.

<logic:iterate id="item" property="items"
indexId="count">
<label for="xx<bean:write name='count'/>">
<bean:write name="item" property="label"/>
</label>
<html:multibox property="item"
styleId="<%="xx"+count%>">
<bean:write name="item" property="value"/>
</html:multibox>
</logic:iterate>

That is an excellent point Mike. I never liked the cast at all.

Pls send m the detail example of
with iterator ,which briefs the multiple check boxes with dropdown list

Vikas, just look at Mike's post for a detailed example of using multiple check boxes.

The only thing that you would have to do is load the correct collection into the jsp.

As for using a dropdown list, if you load your info into a LabelValueBean you can just display them with the <html:options> tag. ;-)
http://struts.apache.org/api/org/apache/struts/util/LabelValueBean.html

Hi,
A very good example on indexId attribute of logic:iterate. Thanks a lot...

I am currently struggling to include the HTML:MULTIBOX code into a JSP file.

without the tag I can successfully get both the label and the value of the LabelValueBean created.

as soon as it is there, I get a nasty

"Cannot find bean under name org.apache.struts.taglib.html.BEAN"

Any ideas?
Thank you

Ya, I hate that error. I usually find that's when I am calling something with the property tag or the "name" tag when I should be using the other.

If you still can't figure it out, post the code you've got trouble with and I can see what I can do. ;-)

First, thank you for the fast reply!

This is the code in my JSP file, which works:

<td>
<logic:iterate name="CourseReportForm"
id="annumOption" property="annumOptions" >

<bean:write name="annumOption"
property="label"/>

<bean:write name="annumOption"
property="value"/><br>
</logic:iterate>
</td>

As soon as it is changed to:

<td>
<logic:iterate name="CourseReportForm"
id="annumOption" property="annumOptions" >

<html:multibox property="selectedAnnums">

<bean:write name="annumOption"
property="label"/>

</html:multibox>

<bean:write name="annumOption"
property="value"/><br>
</logic:iterate>
</td>

it replies (upon runtime) with a

javax.servlet.ServletException: Cannot find bean under name org.apache.struts.taglib.html.BEAN

I am using:

<%@taglib uri="/WEB-INF/struts-html.tld" prefix="html"%>

<%@taglib uri="/WEB-INF/struts-logic.tld" prefix="logic"%>

<%@taglib uri="/WEB-INF/struts-bean.tld" prefix="bean"%>

The CourseReportForm has a getter method for selectedAnnums.

Thank you.

Hi again.

I would like to finally share the solution to my html:multibox problem...

here it is:

<logic:iterate name="CourseReportForm" id="annumOption" property="annumOptions" >
<html:form action="courseReport.do"> <!-- THIS IS IMPORTANT -->
<html:multibox property="selectedAnnums">
<bean:write name="annumOption" property="label"/>
</html:multibox>
</html:form>
<bean:write name="annumOption" property="value"/><br>
</logic:iterate>

Action courseReport.do should be present in struts-config.jsp, as:
<global-forwards>
...
<forward name="courseReport" path="/courseReport.do"/>
</global-forwards>

AND (again in struts-config.xml)

<action-mappings>
...
<action
path="/courseReport"
type="uk.ac.port.viewpoint.control.CourseReportAction"
name="CourseReportForm"
scope="request">
<forward name="success" path="/courseReport.jsp"/>
</action>
</action-mappings>

Hope you find it useful!

Yes, you'd have to make sure that the multibox is contained within a form. ;-)

I'd move the form defination OUT of the iterate loop though... it would make more sense when you're reading the html.

I don't understand why you'd put the forward as a global forward... are you accessing it from different action classes? If you're just calling it from the CourseReportAction class then the local forward defination should be enough.

All the best. ;-)

The reason I am doing that is because I associate this action with an from a previous jsp.