How to pass a value of a column as a parameter from another column in displaytag using struts2 -

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in below code, trying pass 2 parameters <display:column> tag. have pass code , level properties action(as shown below). not able pass value of column parameter column. here not getting value of level property in code property.

<s:form action="levelhierarchy">         <display:table id="searchlist" name="searchlist" pagesize="8"             export="false" requesturi="/getcomponentdetails" sort="list">             <display:column property="code" title="code" sortable="true" paramid="levelid"  href="levelhierarchy.action?level=${searchlist.level}"></display:column>             <display:column property="description" title="description" sortable="true" />             <display:column property="level" title="level" sortable="true" />             <display:setproperty name="paging.banner.placement" value="bottom" />         </display:table> </s:form>

inside form don't have fields submit. should define @ least hidden fields columns contains values want pass action. need use of uid attribute of <display:table tag access row values. 

<display:table uid="row" id="searchlist" name="searchlist" pagesize="8" export="false" requesturi="/getcomponentdetails" sort="list" >   <display:column property="code" title="code" sortable="true" paramid="levelid"  href="levelhierarchy.action?level=${searchlist.level}">     <s:hidden name="submitlist[%{#attr.row_rownum - 1}]" value="%{#attr.row.code}"/>   </display:column>   <%-- other columns --%> </display:table>

in action should create property placeholder submitted values.


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