Trying to export the full grid data of a custom module. The function itself works but there's a limit of 20 (well a limit of how many rows are visible on the page). I need to export the full data from the button. I tried adding: $grid->setDefaultLimit(4000) but I realised that 4000 isn't always going to be correct. So I need something to say do all data. Here's my current function:

    class Namespae_Module_Adminhtml_GridController extends Mage_Adminhtml_Controller_Action {
        protected function _createSerializerBlock($inputName, Mage_Adminhtml_Block_Widget_Grid $gridBlock, $productsArray) {
            return $this->getLayout()->createBlock('adminhtml/catalog_product_edit_tab_ajax_serializer')

        public function indexAction() {

        public function exportCsvAction() {
            $filename = 'inventory_report-' . date('d-m-Y') . '_' . date('H:i:s') . '.csv';
            $grid     = $this->getLayout()->createBlock('namespace_module/adminhtml_grid');

            $this->_prepareDownloadResponse($filename, $grid->getCsvFile());

As I said, it all works but I need it for all data, not just what's visible on the screen.

How can I go about doing this??


Have you tried to extend getCsvFile() method?

Something like that should take of limiting and paging from your collection:

// ...

foreach ($this->getCollection() as $item) {
  $io->streamWriteCsv(array( // ...
  • I have not yet, will give it a go :) – 123TFO Aug 25 '16 at 9:04

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