Before coading first of all you have to download the plugin from here:- http://fgelinas.com/code/timepicker/.
follow the steps:-
1] Add reference of plugin into your asp page
2] Add the code in your javascript function like
<script type="text/javascript">
$(document).ready(function()
function DatePicker()
{
var startDateTextBox = $('#<%= txtStartDate.ClientID%>');
startDateTextBox.datetimepicker({
minDate: 0,
dateFormat: "dd/mm/yy",
changeMonth: true,
showAnim: 'slideDown',
showOn: "focus",
timeFormat: "hh:mm TT",
numberOfMonths: 2,
separator:' ',
onClose: function(dateText, inst) {
if (endDateTextBox.val() != '') {
var testStartDate = startDateTextBox.datetimepicker('getDate');
var testEndDate = endDateTextBox.datetimepicker('getDate');
if (testStartDate > testEndDate)
endDateTextBox.datetimepicker('setDate', testStartDate);
}
else {
}
},
onSelect: function (selectedDateTime){
endDateTextBox.datetimepicker('option', 'minDate', startDateTextBox.datetimepicker('getDate') );
}
});
</script>