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Calc Guru

Joined: 12 Sep 2005
Posts: 1124

Posted: 09 May 2009 11:59:20 am    Post subject:

I am trying to use jquery to make an ajax request to a server to validate some input. The validation requires me to make some weird database calls and need to be in a php file so I need the jquery post function. Here is my current code...

$('#submit').click(function() {
            var p = new Object();
            p['range'] = $('input[name="range"]').val();
            p['division'] = $('input[name="division"]').val();
            p['num_quizzes'] = $('input[name="num_quizzes"]').val();
            flag = true;
            $.post('joseph_ajax.php',p,function(data) {
               update = data.split('|');
               if (update[0]=='error') {
                  flag = false;
                  $('#error').html('<img style="vertical-align: middle;" src="images/'+update[0]+'.png" alt="" /> '+update[1]);
            return false;

Apparently when $.post is called it creates a new thread. Even when update[0] equals error and it displays the error message on the screen, the alert is still true. This makes me think that it is creating a new thread and the code after the post gets executed before the callback function.

I want to only stop the form from submitting if an error is thrown, but I can't seem to think of how to do this. I have tried to make the form submit inside the post callback if update[0]!='error', but this didn't seem to work either. I'm about ready to pull out my hair on this one.

If you want to see it in action you can see it at
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