ASP.NET ZERO 学习 JTable的使用子表闭合功能

双击子表自动判定开闭功能

//CHILD TABLE DEFINITION FOR "PHONE NUMBERS"
Phones: {
    title: '',
    width: '5%',
    sorting: false,
    edit: false,
    create: false,
    display: function (studentData) {

        var $img = $('<img src="/Content/images/Misc/phone.png" title="Edit phone numbers" />'), //Create an image that will be used to open child table
            parentTable = $("#StudentTableContainer"); 

        //Open | Close child table when user clicks the image
        $img.click(function(){

            var tr = $(this).parents("tr"),
                isChildRowOpen = parentTable.jtable("isChildRowOpen", tr );

            if( isChildRowOpen ){
                $( parentTable.jtable("getChildRow", tr ) ).slideUp();
                return;
            }

            // some another code
        }
    }
}