HI
I have two input components and a add button.i fill inputs and press add button.the row gets added to the rich :datatable.
i am using a4j button.
when i adda row the header of table disappears.
w.r.t code below
<a4j:region>
<h:selectOneMenu id="id_select"
value="#{myBean.selectedItem}">
<f:selectItems
value="#{myBean.selectItems}" />
<a4j:support event="onchange"
action="#{myBean.action}"
reRender="id_u" />
</h:selectOneMenu></td>
<td><h:outputText id="id_u"
value="#{myBean.u}" /></td>
</tr>
<tr>
<td><a4j:commandButton
value="#{resource.add}"
action="#{myBean.addObject}" reRender="id_table"/></td>
</tr>
</table>
<br /><a4j:outputPanel id="id_table">
<table width="100%" border="0">
<tr>
<td valign="top"><rich:datascroller for="tp"
maxPages="10" width="100%" /> <rich:dataTable
id="tp" rows="4"
value="#{myBean.list}"
var="tr">
<f:facet name="header">
<rich:columnGroup>
<rich:column>
<h:outputText value="item" />
</rich:column>
<rich:column>
<h:outputText value="U" />
</rich:column>
</rich:columnGroup>
</f:facet>
<rich:columnGroup>
<rich:column>
<h:outputText value="#{tr.itemName}" />
</rich:column>
<rich:column>
<h:outputText value="#{tr.u}">
</h:outputText>
</rich:column>
</rich:columnGroup>
</rich:dataTable></td>
</tr>
</table></a4j:outputPanel></a4j:region>
