var winObjEI = window.open("/Invoice/InvoiceViewEI?invoiceid=" + data.InvoiceId);

            var isClose = ;

            //关闭open页面时刷新父页面列表

            var loop = setInterval(function () {

                if (winObjEI.closed && isClose == ) {

                    isClose--;

                   //这里写刷新代码

                }

            }, );