readonly
Toggles the readonly state of the widget. When the widget is readonly it doesn't allow user input.
There is a difference between disabled and readonly mode. The value of a disabled widget is not posted as part of a
form
whereas the value of a readonly widget is posted.
Parameters
readonly Boolean
The argument, which defines whether the DateTimePicker should be readonly or editable.
Example - make DateTimePicker widget readonly
<input id="datetimepicker" />
<script>
$("#datetimepicker").kendoDateTimePicker();
var datetimepicker = $("#datetimepicker").data("kendoDateTimePicker");
datetimepicker.readonly();
</script>
Example - make DateTimePicker widget editable
<input id="datetimepicker" />
<script>
$("#datetimepicker").kendoDateTimePicker();
var datetimepicker = $("#datetimepicker").data("kendoDateTimePicker");
datetimepicker.readonly(false);
</script>