selected Boolean
(default: false)
Specifies the selected state of the ToggleButtons. If set to true
the widget will be initially selected.
Example
<button id="button1" type="button">Option 1</button>
<button id="button2" type="button">Option 2</button>
<script>
$("#button1").kendoToggleButton({
selected: true
});
$("#button2").kendoToggleButton({
group: "myGroup"
});
</script>