Close the dialog box of jQuery

 

$(document).ready($(function () {
                $('#searchFacility').button().on("click", function () {
                    //showUrlInDialog('/Home/FacilitySearch');
                    $("#modalSearch").load('/Home/FacilitySearch').dialog({ autoOpen: false, modal: true, close: function (event, ui) {
                        $("#modalSearch").empty().dialog('destroy');
                        alert('Dialog closing');
                    }
                    }).dialog('open');
                    return false;
                });

$(document).ready($(function () {
        $("#btnCancel").button().on("click", function () {
            alert('hi');
            $("#modalDialog").dialog('close');
        });
    }));