kendo ui grid控件在选择行时如何取得所选行的某一列数据

$("#grid").kendoGrid({
dataSource: dataSrc,
columns: [
{
template: '#=material_id#',
width: 40,
title: "物料编码"
},
{
field: "material_name",
width: 70,
title: "物料名称"
},{
field: "spec",
width: 70,
title: "规格"
}, {
field: "unit",
width: 65,
title: "单位"
}
],
sortable: false,
pageable: false,

selectable: "multiple",
dataBound: function () {

},
change: function (e) {
material_id_global = e.sender.selectable.userEvents.currentTarget.cells[0].innerText;

dataSrc2.read({ page: 1, skip: 0 });
//Grid重新显示数据
$("#grid2").data("kendoGrid").refresh();

}
});