Hiding Poplist Values at Runtime

Hi All,
I have a Poplist Variable Type with values 'A','B','C','D' and 'E'.
I want hide the values 'A' and 'B' at runtime.
I have two pages Search and Create. On Search page all values should be visible.
And on create page only 3 values ('C','D','E') must be visible in Poplist.
How to achieve this?
Thanks,
SK

Here is the code snippet requested by you
         OAApplicationModule am = pageCotext.getApplicationModule(webBean);
         ItemSummaryVOImpl vo = (ItemSummaryVOImpl)am.findViewObject("ItemSummaryVO1");
         vo.setWhereClause(null);
         vo.setWhereClause("Item_id <>:1");
         vo.setWhereClauseParam(0,3);Above i am setting item_id not equal to 3 same way you can bound your VO query such that and vo does not contain particular values.
Thanks
{color:green}AJ{color}

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