I am explaining here the way to add a Profit column in Order grid seen in admin-end This column will show the profit gained per order (i.e, the difference between Cost and Selling Price) 1) Copy the app/code/core/Mage/Adminhtml/Block/Sales/Order/Grid.php file to app/code/local/Mage/Adminhtml/Block/Sales/Order/Grid.php, by maintaining the directory structure 2) There is a protected function _prepareColumns, kindly paste […]