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LoadOnDemand

configuration

Indicates whether the child DataSources should be fetched lazily when parent groups get expanded. Setting this to false causes all child DataSources to be loaded at initialization time.

loadOnDemand

Boolean

Default: true

<ul id="panelbar"></ul>
<script>
$("#panelbar").kendoPanelBar({
  loadOnDemand: true,
  dataSource: [
    { text: "foo", items: [
      { text: "bar" }
    ] }
  ]
});
</script>