Hello Jeff,
In general, the Column filter DatePickers can be referenced in the filterMenuInit event handler via the e.container event data that will return the object representing the filter menu form element. For example:
filterMenuInit: function(e) {
if (e.field == "date") {
var firstDatePicker = e.container.find("input:eq(0)").data("kendoDatePicker");
}
}
The above can be examined live in the following Dojo demo:
let me know if you have any questions.
Regards,
Nikolay
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