Detect whether radio button is disabled or enabled

This question already has an answer here:

How can I know which radio button is selected via jQuery? 29 answers

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Use jQuery to attach to the click event of the radio button list and then use the jQuery :enabled selector, like this:

$('#rdStatus').click(function () {
    if($(this).is(':enabled')) { 
        // Do enabled radio button code here 
    }
    else {
        // Do disabled radio button code here
    }
});

Now you can remove the onclick attribute of your radio button list markup, because jQuery is going to find the radio button list ( rdStatus ) and wire up the click event to it for you.

<asp:RadioButtonList ID="rdStatus" runat="server" RepeatDirection="Vertical">

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尝试这个：

<asp:RadioButtonList ID="rdStatus"  runat="server" RepeatDirection="Vertical">
<asp:ListItem Text="Temporary Waiver" Value="T" Selected="True"></asp:ListItem>    
<asp:ListItem Text="Never Expires" Value="P"></asp:ListItem>    
<asp:ListItem Text="Expires after the close of:" Value="W"></asp:ListItem>
</asp:RadioButtonList>

$("#<%=rdStatus.ClientID%>").click(function(){
    if($(this).attr('enabled'))
    {
        $(this).removeattr('enabled');
        $(this).attr('disabled',true);
    }
    else
    {
    }
});

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