//css样式类

        <style>

            .grid-red{

                background:#FF0000;

            }

        </style>

        dataBound: function (e) {

            //设置字体颜色

            $.each(dataSource.data(), function (i, v) {

                if(v.billAmount < 0) {

                    $('tbody > tr[data-uid="' + v.uid + '"] > td').attr("class", "grid-red");

                }

            })

        },