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CheckAllTemplate

configuration

The template used to render the checkAll label. By default, the widget displays only a span element with text "Check all".

checkAllTemplate

String|Function

<input id="dropdowntree" />

<script>
    $("#dropdowntree").kendoDropDownTree({
        dataSource: [{ text: "item1", value: 1 }, { text: "item2", value: 2 }],
        checkboxes: true,
        checkAllTemplate: "<h2>check all</h2>",
        checkAll: true
    });
</script>