How to remember the value in h:commandLink inside a h:datatable

I have a h:dataTable storing header information, there is a column "refno" which is a h:commandlink (or h:outputlink) so user can select that column and jump to the detail page.
My problem is how to remember the refno so I can use it in the detail page?
a simplified code is as follows:
<html>
    <body>
          <f:view>
              <h:form id="select">
              <h:dataTable value="#{dataTableBean.arr}" var="loc">
                  <h:column>
                      <f:facet name="header" >
                          <h:outputText value="Frameworks"/>
                      </f:facet>   
                      <h:outputLink value="openedTenderDetail.jsf"> // or h:commandLink
                              <h:outputText value="#{loc.refNo}" />
                      </h:outputLink>                            
                 </h:column>
             </h:dataTable>
          </f:view>
    </body>
</html>

hello
u can use <f:param to remeber value and go to next page accordingly
in detail
use commandlink and in action get value of <f:param and then navigate to the desired page according to the param value
regards
Shakeel Abbas

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