When the number of extension grows on your Magento store, you need to get rid of certain columns in the table Order => Sales, Customers => Manage Customers etc.
In order to solve this problem, you can use observer events.
1. Add the following code to config.xml :
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<adminhtml> <events> <adminhtml_block_html_before> <observers> <belvg_ordershinegrid_filter_column> <type>singleton</type> <class>belvg_ordershinegrid/observer</class> <method>orderGridFilterColumn</method> </belvg_ordershinegrid_filter_column> </observers> </adminhtml_block_html_before> </events> </adminhtml> |
2. Then in the Model/Observer.php file delete the column using its code.
You can find column code using browser’s debugger (F12 or Ctrl+Shift+i).
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<?php class Belvg_OrderShineGrid_Model_Observer { public function orderGridFilterColumn(Varien_Event_Observer $observer) { $grid = $observer->getBlock(); if ($grid instanceof Mage_Adminhtml_Block_Sales_Order_Grid) { $grid->removeColumn('billing_name'); } } } |
You need to use different conditions instanceof to delete columns depending on the table from which you want to delete them.
- For Sales => Orders – Mage_Adminhtml_Block_Sales_Order_Grid;
- For Customers => Manage Customers – Mage_Adminhtml_Block_Customer_Grid;
As a result, the Billing Name column won’t be displayed.
In the next article I’ll show you how you can create a dynamic filter for columns based on this event.
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