I am a beginner Magento developer and recently I have received an interesting task where I had to create a custom address attribute for the customers and add a field with this to the customer’s edit address page and Magento one page checkout. Moreover, the information inserted in that field should be automatically compared with the existing values to avoid the repeating, without page reloading.

If you recently started to learn Magento and presently develop own Magento extensions, one day you will face with Admin’s System Configuration section. This is a place where you can store some settings for your module. There are many tutorials on the web, explaining how to set up different form elements in System Configuration. This article shows how to add a button.

Backend grids in Magento are very convenient, featuring filtering and pagination using AJAX by default. However, when you want to edit some field or record, you have to create a form. I’d like to describe the way of implementing inline field editing for a field.

AJAX is a great technology that is used to improve user experience and avoid page reloads, but how can you use it in your own Magento modules? Let’s explore…

1) You should either create a controller, for example: Namespace/YourModule/controllers/AjaxController.php or create a new action in an existing controller