expand and collapse link for jsf datatable

[mravikrish]

hello every one, I am Ramu i am getting following problem

i've table which displays students and their courses

course is sub table in students where only 5 records are visible when user clicks expand link remaining courses should be displayed for that student.

i've done that but when expand link is clicked all the students courses are
expanding.here is my code

<t:dataTable id="idsTable" rowIndexVar="row"
value="#{Bean.ids}" var="prj" border="1"
cellpadding="1" cellspacing="1" first="0" rows="5">
<f:facet name="header">
<h:outputText value="View Details" />
</f:facet>
<t:column>
<f:facet name="header">
<t:outputText value="#{msg['msg.description']}" />
</f:facet>
<t:outputText value="#{prjs.description}" />
</t:column>
<t:column>
<f:facet name="header">
<t:outputText value="#{msg['msg.location']}" />
</f:facet>
<t:outputText value="#{prj.location}" />
</t:column>
<t:column>

<h:panelGrid
binding="#{Bean.gridPanel1}" rendered="true">
<t:dataTable id="Table" value="#{prj.ids}" var="bids"
border="2" cellpadding="2" cellspacing="2" first="0" rows="5">
<t:column>
<t:outputText value="Title" />
</t:column>
<t:column>
<t:outputText value="Notes" />
</t:column>
</t:dataTable>
<h:commandLink action="#{Bean.expandProjects}"
value="Expand Link" />

</h:panelGrid> <h:panelGrid binding="#{Bean.gridPanel2}"
rendered="false">
<t:dataTable id="Table1" value="#{prj.bids}" var="bids"
border="1" cellpadding="1" cellspacing="1" first="0">
<t:column>
<t:outputText value="Title" />
</t:column>
<t:column>
<t:outputText value="Notes" />
</t:column>
</t:dataTable>
<h:commandLink action="#{Bean.collapseProjects}"
value="Collapse Link" >
</h:commandLink>
</h:panelGrid>

</t:column>
</t:dataTable>

<t:dataScroller id="scroller" for="Table" paginator="true"
fastStep="2" paginatorMaxPages="5"
paginatorActiveColumnStyle="fontsize:10px;font-weight:bold;"
immediate="true">
<f:facet name="first">
<t:outputLabel value="first" />
</f:facet>
<f:facet name="last">
<t:outputLabel value="last" />
</f:facet>
<f:facet name="previous">
<t:outputLabel value="previous" />
</f:facet>
<f:facet name="next">
<t:outputLabel value="next" />
</f:facet>
</t:dataScroller>

in this code ive used 2 grid panel one to displaying 5 rows and other displays compelete rows when expand is clicked

please could any one suggest me.

[mravikrish]

Hello.

Please any body answer, i am working on this from the past one week.

Thanks
Ramu

[mravikrish]

so no body is intelligent to answer my question

[ilya_shaikovsky]

From the beginning we have many question regirding RF components. And your question is about tomahawk table, so there nothing about "RichFaces Users"..

And about the questions itself - you could try rich:dataTable with rich:subtable in order to organize master-details table.