Extend Magento sales order grid using event observer

You can add new columns to the Sales Order grid easily by extending the block class: Mage_Adminhtml_Block_Sales_Order_Grid But this is not the preferred way due to conflict issues. Here I will show you how to extend order grid by using events(core_block_abstract_to_html_before & sales_order_grid_collection_load_before) only. For example purpose, we will be adding Payment Method to sales …

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How to filter payment method in one-page checkout in Magento?

Introduction Q: How will you filter the payment method in one-page checkout based on some conditions? A: There are different ways to do so. Some of them are: By overriding template: app/design/frontend/[interface]/[theme]/template/checkout/onepage/payment/methods.phtml By overriding method: Mage_Checkout_Block_Onepage_Payment_Methods::_canUseMethod() By overriding method: Mage_Payment_Model_Method_Abstract::isAvailable() By overriding method: Mage_Checkout_Block_Onepage_Payment_Methods::getMethods() By observing event: payment_method_is_active and so on. Among the above methods …

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