Hi sat,
Change with the below script.
<script type="text/javascript">
$(document).ready(function () {
$("#<%=TextBox1.ClientID %>").dynDateTime({
showsTime: true,
ifFormat: "%Y/%m/%d %H:%M",
daFormat: "%l;%M %p, %e %m, %Y",
align: "BR",
electric: false,
singleClick: true,
displayArea: ".siblings('.dtcDisplayArea')",
button: ".next()"
});
});
</script>