How to prevent Iterator to execute on pageload in ADF11g

Hi All,
I have a select one choice component based on a VO Iterator. The VO Query is as follows:
SELECT DISTINCT(ORDER_ID) FROM ORDER;
Here ORDER table have 1crore records, and it is taking longtime for the pageload. How can I stop Iterator to execute on pageload. I tried the following option for the Iterators in PageDef: but they did not work.
refreshCondition=${adfContext.postback} and refresh=Never
Thanks everyone.
Edited by: user617801 on Jul 19, 2011 3:18 AM

Just bumped into this post.
For 11g there is a different parameter for this use case . See here -
http://blogs.oracle.com/shay/entry/preventing_queries_when_page_f

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How to prevent Iterator to execute on pageload in ADF11g

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