<g:form name="persons" action="saveMulti">
<table> <thead> <tr> <g:sortableColumn
property="firstname" title="Firstname" /> <g:sortableColumn
property="lastname" title="Lastname" /> </tr>
</thead> <tbody> <g:each in="${personsList}"
status="i" var="row"> <tr class="${(i % 2) == 0 ? 'odd' :
'even'}"> <td> <g:hiddenField name="persons.r${i}.id"
value="${row.id}" /> <g:textField
name="persons.r${i}.firstname" value="${row.firstname}" />
</td> <td> <g:textField
name="persons.r${i}.lastname" value="${row.lastname}" />
</td> </tr> </g:each> </tbody>
</table> </g:form>