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https://issues.apache.org/jira/browse/WW-4367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15659975#comment-15659975
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Lukasz Lenart commented on WW-4367:
-----------------------------------
Just provide {{listKey}} in your action
> preselect values in <s:optgroup>
> --------------------------------
>
> Key: WW-4367
> URL: https://issues.apache.org/jira/browse/WW-4367
> Project: Struts 2
> Issue Type: Bug
> Components: Expression Language
> Affects Versions: 2.3.15.1
> Reporter: Gulyaev Nikolay
> Priority: Critical
> Fix For: 2.5.6
>
>
> How I can preselect values in {{<s:optgroup>}}?
> Example:
> {code:xml}
> <s:select multiple="true" value="selectedSubjects" list="%{{}}"
> name="selectedSubjects">
> <s:iterator value="subjectCategoryList">
> <s:optgroup label="%{name}" list="subjectMap[identity]"
> listKey="identity" listValue="name"/>
> </s:iterator>
> </s:select>
> {code}
> Please, add this bug or get me answer
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