RadioButtonList：单选框组

参考示例：RadioButtonList：单选框组

创建RadioButtonList

<div id="rbl" class="mini-radiobuttonlist" repeatItems="2" repeatLayout="table" repeatDirection="vertical"
    textField="text" valueField="id" value="cn"
    url="../data/countrys.txt" >
</div>   

数据结构

[
    { id: "usa", text: "美国" },
    { id: "cn", text: "中国" },
    { id: "jp", text: "日本" },
    { id: "en", text: "英国" },
    { id: "de", text: "德国" },
    { id: "fr", text: "法国" },
    { id: "ca", text: "加拿大" },
    { id: "at", text: "奥地利" },
    { id: "ch", text: "瑞士" }
]