//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

        }

    }

}