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I'm trying to render products the same as Magento_CatalogWidget::product/widget/content/grid.phtml displaying.

I have created a custom ajax controller.

        $productCollection->addAttributeToSelect('*');
        $productCollection->setPageSize(10);
        $productCollection->load();

        $block = $layout->createBlock('Vendor\Module\Block\Product\ProductsList')->setTemplate('Vendor_Module::product/widget/content/grid.phtml')
            ->setProductCollection($productCollection);

        $html = $block->toHtml();

        $result = $this->resultFactory->create(\Magento\Framework\Controller\ResultFactory::TYPE_RAW);
        $result->setContents($html);
        return $result;

In Ajax response, I get the below error message:

1 exception(s): Exception #0 (Exception): Warning: foreach() argument must be of type array|object, null given in /var/www/html/development/vendor/magento/module-catalog-widget/Block/Product/ProductsList.php on line 406

#1 Magento\CatalogWidget\Block\Product\ProductsList->getConditions() called at [vendor/magento/module-catalog-widget/Block/Product/ProductsList.php:350]

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  • Share the complete code which you try? Commented May 16 at 5:12
  • @DhirenVasoya I got an answer from the link magento.stackexchange.com/a/171667/112419. I have to add the setConditionsEncoded in the controller file instead of setProductCollection
    – Arun
    Commented May 16 at 5:41

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