Hmm, some sort of

1
   1.1
   1.2
   1.3
2
   2.1
   2.2
   2.3
3
   3.1...

?

Hmm, it was mostly designed for outputting blocks of data but you could try using nested ui:repeat tags and control the row and column attribute values of the cells. If it breaks, you can keep the pieces ;-)

i m facing this problem..i wan display something like this, but the value need to be separated in individual cell. ui:repeat only work inside e:cell tag.

1
   1.1 
   1.2
   1.3
2
   2.1
   2.2
   2.3
3
   3.1...

the code below works in datatable, but how can i display in excel?

            <h:dataTable id="theDataTable" border="1" value="#{TypeList}" var="key" >  

                <h:column>  
                     <f:facet name="header">  
                          <h:outputText value="#{key}"/>  
                     </f:facet>  
                     <h:dataTable value="#{inventoryMonthList}" var="list" >  
                          <h:column>  
                               <h:dataTable value="#{list[key]}" var="item">  
                                    <h:column>  
                                         <h:outputText value="#{item.partNo}"/>  
                                    </h:column>  
                               </h:dataTable>  
                          </h:column>  
                     </h:dataTable>  
                </h:column>  
           </h:dataTable>  

i have the same problem any suggestion?