Thanks Addy, but I am not clear on your syntax. What is your bVO.lines?
Remember my list is in my form. Also what is bLine? Not sure where my
variables correspond
Regards
Victor
...... Original Message .......
On Sun, 3 Oct 2004 15:55:20 -0400 Addy Kapur <[EMAIL PROTECTED]> wrote:
>I have used the following syntax and it works.
>
> <logic:iterate name="BForm" property="bVO.lines" id="bAmount"
indexId="idx">
> <html:hidden property="<%="bVO.bLine["+idx+"].name"%>"/>
> <html:hidden property="<%="bVO.bLine["+idx+"].id"%>"/>
> <html:hidden
property="<%="bVO.bLine["+idx+"].amount"%>"/>
> </logic:iterate>
>
>
>On Sun, 3 Oct 2004 14:16:19 -0400, Victor Grazi <[EMAIL PROTECTED]>
wrote:
>> We are trying to use <logic:iterate> in a JSP to access items in a list
>> stored in the Form Bean by the Action class but we can't seem to get the
>> syntax right.
>>
>> I am getting an error meessage from PropertyUtils that displays the
index as
>> '${index}', which indicates that that struts el expression is not
resolving
>> to an int.
>>
>> Here is my exact syntax. The form and action are described in more detail
>> below.
>>
>> <html:form action="/test">
>> <logic:iterate id="lineItem" indexId="index" name="testForm"
>> property="list">
>>
>> <!-- display the index counter for the fun of it. This
works
>> ok -->
>> <bean:write name="index" /><br>
>>
>> <!-- now access the id of the indexth element of the list
>> -->
>> <bean:write name="list[${index}].id" /><br>
>>
>> <!-- now access the description of the indexth element of
>> the list -->
>> <html:text property="list[${index}].description"
>> onchange="changefield(this);"/><br>
>> <html:hidden property="isChanged[${index}]" /><br>
>>
>> </logic:iterate>
>> <html:submit>Send</html:submit>
>> </html:form>
>>
>> I have created several Test classes to help me understand the flow...
>>
>> The form is an instance of TestForm exends ActionForm and its form name
in
>> struts-config.xml is "testForm". (This is the named form for the action.)
>> TestForm has one property: java.util.List list with accessors public List
>> getList() and public void setList(List list).
>>
>> List is always a List of LineItem objects where LineItem is a simple
>> JavaBean with properties
>> String id (public String getId() and public void setId(String id)),
String
>> description (public String getDescription() and public void
>> setDescription(String description)) and boolean isChanged (public void
>> setIsChanged(boolean value) and public boolean getIsChanged() )
>>
>> The Action (TestAction extends Action) "execute" method creates a List
of 5
>> LineItem objects and stores that List into the form by calling
>> ((TestForm)form).setList(list), then forwards to the jsp (test.jsp)
>>
>> In the jsp I would like to iterate through the list to perform the
>> following:
>> display the id (as html read-only text) and the
>> description (as html:text) of each line item,
>> then use JavaScript to change the "isChanged" property (in a hidden
field)
>> when the onchange event is triggered.
>>
>> I have tried several different syntaxes. I also tried using arrays
instead
>> of List's. I also specified the type of the LineItem class explicitly in
the
>> form element. I tried each of the "html:" and "bean:write" lines above
one
>> at a time to see if any would be successful, but they all produce that
same
>> error. I have combed the web for a good example of how to accomplish
this,
>> but I couldn't find anything that handled things in a way that would work
>> for us.
>>
>> Can you tell me what I am doing wrong and how to accomplish the access?
>>
>> Thanks/Victor
>>
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