How to find out row that was clicked in DataTable?

Question

Hi there,
i have a dataTable component which renders a list from database. In the last column of this table you can click a link for further processing for this row.
How to identify which row was clicked?
<f:view>
     <h3>Subtitel</h3>
     <h:form>
       <h:dataTable      headerClass="tableheader"
                         var="list"
                         value="#{Uebersicht.uebersichtsliste}">
          <h:column>
               <f:facet name="header">
                    <f:verbatim>KW</f:verbatim>
                        </f:facet>
                       <h:outputText value="#{list.cal.kw}" />
          </h:column>
          <h:column >
               <f:facet name="header">
                    <f:verbatim>Bemerkung</f:verbatim>
                        </f:facet>
               <h:outputText value="#{list.cal.feiertagNat}" />
          </h:column>
          <h:column >
               <f:facet name="header">
                    <f:verbatim>Start</f:verbatim>
                        </f:facet>
               <h:commandLink action="#{Uebersicht.start}" value="setzen"/>
          </h:column>
        </h:dataTable>
     </h:form>
</f:view>How to identify the row to process in action methed "uebersicht.start"?
Regards,
ak

Answer 1

the easiest way is you can send the parameters for the command link and the
output link.this parameters will be the unique id of the rows ur r populating .
get those parameters by:
request.getParameter(keep the id u kept in the parameters list);
I worked it out before ,its perfect.
regards,
raju reddy