javascript - Passing data to a jQuery UI Dialog

Question

I'm developing an ASP.Net MVC site and on it I list some bookings from a database query in a table with an ActionLink to cancel the booking on a specific row with a certain BookingId like this:

My bookings

<table cellspacing="3">
    <thead>
        <tr style="font-weight: bold;">
            <td>Date</td>
            <td>Time</td>
            <td>Seats</td>      
            <td></td>              
            <td></td>
        </tr>
    </thead>            
    <tr>
        <td style="width: 120px;">2008-12-27</td>
        <td style="width: 120px;">13:00 - 14:00</td>
        <td style="width: 100px;">2</td>
        <td style="width: 60px;"><a href="/Booking.aspx/Cancel/15">cancel</a></td>
        <td style="width: 80px;"><a href="/Booking.aspx/Change/15">change</a></td>
    </tr>            
    <tr>
        <td style="width: 120px;">2008-12-27</td>
        <td style="width: 120px;">15:00 - 16:00</td>
        <td style="width: 100px;">3</td>
        <td style="width: 60px;"><a href="/Booking.aspx/Cancel/10">cancel</a></td>
        <td style="width: 80px;"><a href="/Booking.aspx/Change/10">change</a></td>
    </tr>  
</table>

What would be nice is if I could use the jQuery Dialog to popup a message asking if the user is sure he wants to cancel the booking. I have been trying get this to work but I keep getting stuck on how to create a jQuery function that accepts parameters so that I can replace the

<a href="/Booking.aspx/Cancel/10">cancel</a>

with

<a href="#" onclick="ShowDialog(10)">cancel</a>.

The ShowDialog function would then open the dialog and also pass the paramter 10 to the dialog so that if the user clicks yes then It will post the href: /Booking.aspx/Change/10

I have created the jQuery Dialog in a script like this:

$(function() {
    $("#dialog").dialog({
        autoOpen: false,
        buttons: {
            "Yes": function() {
                alert("a Post to :/Booking.aspx/Cancel/10 would be so nice here instead of the alert");},
            "No": function() {$(this).dialog("close");}
        },
        modal: true,
        overlay: {
            opacity: 0.5,
            background: "black"
        }
    });
});   

and the dialog itself:

   <div id="dialog" title="Cancel booking">Are you sure you want to cancel your booking?</div>

So finally to my question: How can I accomplish this? or is there a better way of doing it?

Answer 1

jQuery provides a method which store data for you, no need to use a dummy attribute or to find workaround to your problem.

Bind the click event:

$('a[href*=/Booking.aspx/Change]').bind('click', function(e) {
    e.preventDefault();
    $("#dialog-confirm")
        .data('link', this)  // The important part .data() method
        .dialog('open');
});

And your dialog:

$("#dialog-confirm").dialog({
    autoOpen: false,
    resizable: false,
    height:200,
    modal: true,
    buttons: {
        Cancel: function() {
            $(this).dialog('close');
        },
        'Delete': function() {
            $(this).dialog('close');
            var path = $(this).data('link').href; // Get the stored result
            $(location).attr('href', path);
        }
    }
});