javascript和asp.net Web用户控件

Question

我有一个Web用户控件,在客户端上生成以下html.

我想使用JavaScript引用特定的RadioButton控件.

我不知道如何做到这一点因为asp.net生成了RadioButton ID.

例如,我给出RadioButton ID = 1_RadioButton

asp.net生成一个ID = ctl00_ContentPlaceHolder1_Material_1_RadioButton

这个javascript代码怎么能找到Radio Button控件？

    <script type="text/javascript">
        $(document).ready(function() {
            if (document.getElementById("1_RadioButton").checked) {
                $("#1_other").hide();
            }
        });    
    </script>

以下是asp.net为客户端生成的内容.

    <input id="ctl00_ContentPlaceHolder1_Material_1_RadioButton" type="radio" name="ctl00$ContentPlaceHolder1$Material$Academic" value="1_RadioButton" onclick="javascript:$('#1_other').show('fast');" />

    <label for="ctl00_ContentPlaceHolder1_Material_1_RadioButton">Yes</label>

    <input id="ctl00_ContentPlaceHolder1_Material_2_RadioButton" type="radio" name="ctl00$ContentPlaceHolder1$Material$Academic" value="2_RadioButton" checked="checked" onclick="javascript:$('#1_other').hide('fast');" />

    <label for="ctl00_ContentPlaceHolder1_Material_2_RadioButton">No</label>

    <input id="ctl00_ContentPlaceHolder1_Material_3_RadioButton" type="radio" name="ctl00$ContentPlaceHolder1$Material$Academic" value="3_RadioButton" onclick="javascript:$('#1_other').hide('fast');" />

    <label for="ctl00_ContentPlaceHolder1_Material_3_RadioButton">Uncertain</label>

    <div id='1_other'>
         <input name="ctl00$ContentPlaceHolder1$Material$4_TextBox" type="text" value="bbb chabng" id="ctl00_ContentPlaceHolder1_Material_4_TextBox" />
   </div>

Answer 1

如果该代码位于.aspx文件中,请使用<%= MyRadioButton.ClientID%>,并且ASP.NET呈现引擎将为您正确呈现ID.

更新:例如:

<script type="text/javascript">
    $(document).ready(function() {
        if ($get("<%= MyRadioButton.ClientID %>").checked) {
            $("#1_other").hide();
        }
    });    
</script>