I'm just going by memory here so this may be wrong but try this:
<%!!
Context:CurrentPage.Elements.GetElement(container_page_body).Value[Int32:0].Elements.GetElement(resource_category_keyword).Value
!!%>

Also, try creating the option list placeholder from scratch as if you're
using the same placeholder name, there may be caching issues.

Cheers,

Gavin

On 13 June 2012 09:51, siner zxa <[email protected]> wrote:

> Thanks Gavin,
>
> You are right. It is info keyword.
>
> I changed it to Option List, and still no joy.
>
> Do you have any clue?
>
> Thank you in advance.
>
> Sean
>
>
> On Tue, Jun 12, 2012 at 4:23 PM, Gavin Cope <[email protected]> wrote:
>
>> I assume your placeholder is an info placeholder. You can't retrieve info
>> placeholders using render tags.
>>
>> Cheers,
>>
>> Gavin
>>
>>
>> On 13 June 2012 09:12, Sean <[email protected]> wrote:
>>
>>> Hello everyone,
>>>
>>> I am creating a dropdown in page body area:
>>>
>>> <ul id="dropdown_resourcecategories" class="dropdown">
>>>
>>>
>>>     <li><!--<%resource_category_keyword%>-->
>>>         <a href="#" onclick="$(this).next().slideToggle('medium');return
>>> false;"><%!! Escape:Text(<%resource_category_keyword%>).ToString() !!%></a>
>>>
>>>         <ul style="display:none;">
>>> <!IoRangeList>
>>>             <li><a href="<%list_resource_pages%>">
>>>
>>> <reddot:cms>
>>> <htmlext>
>>> <%!!
>>> Context:CurrentPage.Elements.GetElement(container_page_body).Value[Int:0].Elements.GetElement(resource_category_keyword).GetHtml()
>>> !!%>
>>> </htmltext>
>>> </reddot:cms>
>>>              </a></li>
>>> <!/IoRangeList>
>>>         </ul>
>>>
>>>     </li>
>>>
>>> </ul>
>>>
>>>  When I click the dropdown, the 6 items all shows blank, that means the
>>> following part is not working:
>>>
>>> <%!!
>>> Context:CurrentPage.Elements.GetElement(container_page_body).Value[Int:0].Elements.GetElement(resource_category_keyword).GetHtml()
>>> !!%>
>>>
>>> Does anyone know why? Thanks
>>>
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