How to use sortable in t:columns?

[Dhacha]

How can i use sortable with t:columns? since columns will be coming from a
bean and i want to sort only one column, not the al the column in table.
Can anybody help me?

Sample code :

<t:dataTable id="data" var="tabkey"
            value="#{dynBean.idml}" 
            preserveDataModel="false">
           <t:columns value="#{dynBean.cDMl}" var="column" >
                <f:facet name="header">
                       <h:outputText value="#{cdata[col]} " />
                </f:facet>
                <h:outputText  value="#{dynBean.co}" />
         </t:columns>   
</t:dataTable>

Thanks,
Dhacha
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