SM31018文本框变成不可编辑off("click")

/*SM31018文本框变成不可编辑*/
$().ready(function () {
    $("#grdTest td[colname='QGSL_LR'] a").each(function (index) {
        var thisID = $(this).parent().siblings("td[colname='QGSL']").children("input[type='text']").attr("readonly", "true");
        thisID.prop("onclick", null).off("click");
        thisID.unbind("click");
        thisID.css('background-color', '#c4c4c4').prop('onclick', null);
        thisID.focus(function () {
            thisID.blur();
        });
    });
});