var fields = datagrid.datagrid("getColumnFields");
for(var i = 0;i<fields.length;i++){
$("table tr td[field="+fields[i]+"]").css("background-color","#ffee00");//需要改变的列
}
var fields = datagrid.datagrid("getColumnFields");
for(var i = 0;i<fields.length;i++){
$("table tr td[field="+fields[i]+"]").css("background-color","#ffee00");//需要改变的列
}