how to add custom action in manage products and perform that action? in magento

Question

How to add custom action in manage catagories and perform that action? in magento

Answer 1

Use the event adminhtml_catalog_product_grid_prepare_massaction to add a new item similar to the ones that already exist. For example take a look at the delete item:

$this->getMassactionBlock()->addItem('delete', array(
         'label'=> Mage::helper('catalog')->__('Delete'),
         'url'  => $this->getUrl('*/*/massDelete'),
         'confirm' => Mage::helper('catalog')->__('Are you sure?')
    ));

The url represents the url where the form is submitted. Create your own admin controller, send the for to it and process the data you receive in it.