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Codeigniter: AJAX fails to access the controller: Access-Control-Allow-Origin

I was working on a login system using Codeigniter. I tried to use AJAX to submit POST data to a controller.

Take a look at http://www.henryspike.tk/udemy

When we click on Submit, the AJAX does not access the Controller and chrome returns the error:

XMLHttpRequest cannot load http://www.henryspike.tk/udemy/index.php/main/login. No 'Access-Control-Allow-Origin' header


present on the requested resource. Origin 'http://henryspike.tk' is therefore not allowed access. The response had HTTP

status code 500.

Please note that I installed Codeigniter in a sub directory of henryspike.tk i.e Udemy

So as both the Codeigniter files and views and everything is on the same domain, why is it giving the Cross Domain error? 

Is it because I installed Codeigniter in a sub directory? I would like to state that I edited the base url correctly to http://www.henryspike.tk/udemy in my config.php

(This post was last modified: 01-31-2017, 07:05 AM by spjonez.)

You're on your naked domain (no www) and making an AJAX request to www which are technically not the same subdomain. Make them both the same and you won't receive that error.

I do not receive any http error but the below:

<h4>A PHP Error was encountered</h4>
<p>Severity: Notice</p>
<p>Message: Undefined property: CI_DB_mysqli_result::$row</p>
<p>Filename: models/Users_model.php</p>
<p>Line Number: 9</p>

(This post was last modified: 01-31-2017, 08:35 AM by InsiteFX.)

Looking at your page source code there is no form action code to tell it where to go.

You can pass CodeIgniter base_url to Ajax using the below:

Place in your html head tag

    <!-- jQuery baseUrl -->
        var baseUrl = "<?php echo base_url(); ?>";
        var siteUrl = "<?php echo site_url(); ?>";

Now you can access it in Ajax using baseUrl or siteUrl.
What did you Try? What did you Get? What did you Expect?

Joined CodeIgniter Community 2009.  ( Skype: insitfx )

yes this is working properly... thanks..

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