How set default item in oneSelectChoice

Question

Hello, man. I have af:selectOneChoice with item from VO.
jspx
<af:selectOneChoice value="#{bindings['Edit_RequestIdentityCardTypeId'].inputValue}"
label="#{bindings['Edit_RequestIdentityCardTypeId'].label}"
required="true"
binding="#{speedformula_EditRequest.selectOneChoiceDocType}">
<f:selectItems value="#{bindings['Edit_RequestIdentityCardTypeId'].items}"
/>
</af:selectOneChoice>
pageDef
<list id="Edit_RequestIdentityCardTypeId"
IterBinding="Edit_RequestIterator" StaticList="false"
ListOperMode="0" ListIter="IdentityCardTypeIterator"
NullValueFlag="1" NullValueId="Edit_RequestIdentityCardTypeId_null">
<AttrNames>
<Item Value="IdentityCardTypeId"/>
</AttrNames>
<ListAttrNames>
<Item Value="IdentityCardTypeId"/>
</ListAttrNames>
<ListDisplayAttrNames>
<Item Value="IctShortName"/>
</ListDisplayAttrNames>
</list>
how set default value oneSelectChoice?

Answer 1

Ok, say your ResidentIDCardType LOV has the following values, AB, CD, EF, GH. And you need to show EF by default when you render the component, then, you will set the defaultValue on the attribute to EF (which is one of the valid values in the LOV).