自定义设置jqGrid的标头居中加粗等

beforeRequest: function () {
$("thead th").css("text-align", "center").css("font-weight", "bold").css("background-image","url(/Content/libs/jquery-ui/images/ui-bg_glass_75_e6e6e6_1x400.png)");
},

把上述代码加在后面