ligerUI修改列标题和列

   <script type="text/javascript">
        var jsonObj = {};
        jsonObj.Rows = [
    { isCheched: "0", filename: "马克斯·弗里施小说作品", size: 12, uploaddatetime: "1989/01/12"},
    { isCheched: "0", filename: "丁丁上学记套装", size: 9.2, uploaddatetime: "1989/01/12"},
    { isCheched: "0", filename: "黄冈小状元系列", size: 123, uploaddatetime: "1981/12/12"}
];


    $(function () {
        var columns =
            [
                { display: '', width: 60, isAllowHide: false, name: 'isCheched', isSort: false,
                    render: function (row) {
                        var html = '<input type ="checkbox" rowid ="' + row.id + '">';
                        return html;
                    },
                    headerRender: function (column) {
                        var html = '<input type ="checkbox" onclick="selectAll(this)">  全选';
                        return html;
                    }
                },
                { display: '文件名', name: 'filename', width: 500, align: "left"},
                { display: '大小', name: 'size',type:"int",width:100,
                    render: function (row) {
                        var html = row.size + 'KB';
                        return html;
                    }
                },
                { display: '上传时间', name: 'uploaddatetime' }
             ];

        $("#videoList").ligerGrid({
            columns: columns,
            data: jsonObj
        });

    });


    function selectAll(obj) {
        $("#videoList td[columnname=checkbox]").find(":checkbox").each(function () {
            this.checked = true;
        });
    }

    </script>