multiple checkbox function change in ajax? [duplicate]

This question already has an answer here:

• How can I apply a jQuery function to all elements with the same ID? 4 answers

I have an html which contains dynamically created tables. Im adding checkbox for each rows, as follows

    <table style="width: 100%" id="client_site_data" class="display">
        <caption>Client Site Info</caption>
        <thead>
            <tr>
                <th>Set to Processing</th>
                <th>Sites</th>
                <th>Machines</th>
                <th>ProcessingState</th>
                <th>Last Updated</th>
                <th>Reset the Processing</th>
            </tr>
        </thead>
    </table>

....

$.each(data, function(id, value) {
                        rows.push('<tr><td><input type="checkbox" id="chkbox" name="chkbox" value="'+value.site+':'+value.client+'\'"></td><td>' + id + '</td><td>' + value.machine
                                + '</td><td>' + value.state + '</td><td>'
                                + value.date_processed + '</td><td><button type="button" onclick="resetSite(\''+ value.site+'\',\''+value.client+'\')">Reset</td></tr>');
                    });

Im trying to POST the value using ajax to my backend service(which is python)

$("#chkbox").change(function () {
            var value = $(this).val();
            var res = value.split(":");
            $.ajax({
                type: "POST",
                url: "http://localhost:8080/cache/setProcessing?site="+res[0]+"&client="+res[1],
                /*data: {
                        chkbox: value 
                },*/
                success: function (data, textStatus) {
                    alert('included for processing ');                 
                },
                error : function(xhr, textStatus, errorThrown) {
                    alert("Failed. Error : "
                            + errorThrown);
                }
            });
        });

But when i check the checkboxes in my table nothing happens. Means it is not calling my javascript function.

What im doing wrong? Also, if i select multiple rows at once, this logic is right/will work?