I need to be able to change the number of rows displayed in a DataView
dynamically. But when I try to do so in response to user input, I get the
following exception:
WicketMessage: Exception in rendering component: [MarkupContainer [Component
id = 5, page = com...ViewPoliciesPage, path =
2:policydatapanel:roundedboxborder:datatableform:group:dataview:policies:5.OddEvenItem,
isVisible = true, isVersioned = false]]
Root cause:
java.lang.NullPointerException
at wicket.markup.html.form.Check.onComponentTag(Check.java:132)
...
at
wicket.extensions.markup.html.repeater.RepeatingView.renderChild(RepeatingView.java:171)
at
wicket.extensions.markup.html.repeater.RepeatingView.onRender(RepeatingView.java:134)
...
I've tried calling DataView.setItemsPerPage() in my page's onBeforeRender(),
but that doesn't help.
What am I doing wrong? Any help is appreciated.
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