var test = [
        {"Series0":2,"Series1":1},
        {"Series0":4,"Series1":2},
        {"Series0":3,"Series1":4}
    ];

activeSheet.setDataSource(test);
activeSheet.bindColumn(1,"Series0");
activeSheet.bindColumn(0,"Series1");
var colname = activeSheet.getDataColumnName(0);
alert(colname);