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Get selected value of RadioButtonList using JQuery

Posted on 2012-12-31
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Last Modified: 2012-12-31
The function below works fine.  But I was curious as to how to use 'this' with the input:checked selector to find the value of the checked button.  I've tried different formats but haven't hit on the right one. i.e. $('this input:checked').val()

$(function () {
    $('#<%=rblExistingDamage.ClientID%>').click(function () {
        if ($('#<%=rblExistingDamage.ClientID%> input:checked').val() == 'true') {
             $('#<%=rowExistingDamage.ClientID%>').show();
         } else {
            $('#<%=rowExistingDamage.ClientID%>').hide();
        }
    });
});

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Question by:jeffhodgeson
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LVL 83

Accepted Solution

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leakim971 earned 2000 total points
ID: 38733071
replace : $('#<%=rblExistingDamage.ClientID%> input:checked')
by : $('input:checked', this)

or

replace : $('#<%=rblExistingDamage.ClientID%> input:checked')
by : $(this).find('input:checked')
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LVL 83

Expert Comment

by:leakim971
ID: 38733077
or replace :
    $('#<%=rblExistingDamage.ClientID%>').click(function () {
        if ($('#<%=rblExistingDamage.ClientID%> input:checked').val() == 'true') {
             $('#<%=rowExistingDamage.ClientID%>').show();
         } else {
            $('#<%=rowExistingDamage.ClientID%>').hide();
        }
    });

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by :
    $(":radio", '#<%=rblExistingDamage.ClientID%>').change(function () {
        if ($(this).is(":checked") && $(this).val() == 'true') {
             $('#<%=rowExistingDamage.ClientID%>').show();
         } else {
            $('#<%=rowExistingDamage.ClientID%>').hide();
        }
    });

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Author Closing Comment

by:jeffhodgeson
ID: 38733444
Thanks, just what I was looking for.
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LVL 83

Expert Comment

by:leakim971
ID: 38733451
you're welcome
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