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I need a set of Conditional Select Menus Using JQuery (Country, State, County, City)

Posted on 2010-08-20
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1,085 Views
Last Modified: 2012-05-10
I need a set of HTML Select menus that are conditional on the one above it.  The top level is the Country.  Depending upon the Country, a list of States of Providences need to populate the next menu.  Then a list of Counties in the State or province in the next menu.  Then a list of Cities based on the county.  I already have a US Zipcode database that has all the data.  I just don't know anything about JQuery and need help putting together the elements.

I am in a jam and offer 500 points to whoever can provide me with the needed code.

Phil
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Question by:SiriusPhil
1 Comment
 
LVL 9

Accepted Solution

by:
matthew016 earned 500 total points
ID: 33489746
You need to bind the event "change" on your select elements.

e.g.

$('select#country').change(function() {
...
}

Each time a select element changes (country, states, etc.), you need to retrieve by AJAX the appropriate sublists and replace those by the old ones.

e.g.
a country has been selected, refresh the <select> states :

$.ajax({
    type: "GET",
    dataType: "json",
    async: false,
    url: "/ajax-get-states?country=" + countrySelected,
    success: function(data){
        $.each(data, function() {
            /* populate the <select> element of states */
            $('<option>').val(this[0]).text(this[1]).appendTo('select#states');
        });
    },
    error: function(xhr, status, ex) {}
});
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