PrimeFaces multiple DataTables and rowselect event

Question

I have a dynamic list of data tables and I need to enable row selection for a single row of each table. The code below works only if the user selects a row of the last data table, maybe because the Ajax event is replaced and only last event works.

If the user selects a row from another data table, onRowSelect method is called but there is a NullPointerException on variable selectedRow.

Maybe I need to create multiple onrowselect method in Java bean,one for each data table, but the number of this table is variable.

How can I solve this issue?

<c:forEach items="#{azPerformancePrenPubAll.selectedCompanyTemp}" var="companyCode" varStatus="loop">
  <p:accordionPanel id="acc_#{companyCode}" widgetVar="accordionAziendale_#{companyCode}" activeIndex="-1"> 
    <p:tab title="#{azPerformancePrenPubAll.selectedCompanyName.get(loop.index)}">             
       <p:dataTable id="tablePerformance_#{companyCode}" rendered="#{!azPerformancePrenPubAll.isCompanyVisible}"
                    widgetVar="tablePerformance" var="performance" value="#{azPerformancePrenotatiPubAll.listPerformances.get(loop.index)}" 
                    styleClass="perfDataTable no-border" rowIndexVar="rowIndex" 
                    selectionMode="single" selection="#{azPerformancePrenPubAll.selectedRow}" rowKey="#{performance.id}">
         <p:ajax event="rowSelect" listener="#{azPerformancePrenPubAll.onRowSelect}" update="formPerformance,pageSubDescription,pageDescription"/>
         ...

Gros

I don't see a variable RowSelected – Hedi

@JasperdeVries sorry I misspelled the variable name, I edited the post. the variable is specified in the selection attribute of the datatable, it's 'selectedRow' – Gros

You are using mutliple tables and you renamed the id field but you have an identical widgetVar for all your tables widgetVar="tablePerformance" which is not allowed. WidgetVar must be unique per widget. – Directed