@html.Telerik().DatePicker().HtmlAttributes(new { data_input = id1, data_hide = "ViolationDates_" + item.Value }).Name(name2).Value(item.EliminationDate).ClientEvents(events => events.OnChange("DatePicker_onChange"))

function DatePicker_onChange(e) {
                                var datepicker = $(this).data('tDatePicker');
                                alert(datepicker.element.attr("data_input"));
                            }

@html.Telerik().DatePicker().Name(name2).Value(item.EliminationDate).ClientEvents(events => events.OnChange("DatePicker_onChange"))
                        <input type="hidden" name="@id2" id="ViolationDates_@item.Value" class=".hiddenDP"/>