<script type="text/javascript">
$(document).ready(function () {
$('#<%=DdlOccupation.ClientID%>').change(function () {
if ($(this).val() == '7') {
$('#<%=txtOther.ClientID%>').show();
}
else {
$('#<%=txtOther.ClientID%>').hide();
}
// $('#<%=txtDOB.ClientID%>').datepicker();
});
});
</script>