How to delete grid items in Magento 2

 

Create Controller Action Delete

Rsgitech\News\Controller\Adminhtml\Allnews\Delete.php

<?php

namespace Rsgitech\News\Controller\Adminhtml\Allnews;

class Delete extends \Magento\Backend\App\Action
{
    /**
     * Authorization level
     *
     * @see _isAllowed()
     */
	protected function _isAllowed()
	{
		return $this->_authorization->isAllowed('Rsgitech_News::news_delete');
	}
	
	/**
     * Delete action
     *
     * @return \Magento\Backend\Model\View\Result\Redirect
     */
    public function execute()
    {
        // check if we know what should be deleted
        $id = $this->getRequest()->getParam('news_id');
        /** @var \Magento\Backend\Model\View\Result\Redirect $resultRedirect */
        $resultRedirect = $this->resultRedirectFactory->create();
        if ($id) {
            $title = "";
            try {
                // init model and delete
                $model = $this->_objectManager->create(\Rsgitech\News\Model\Allnews::class);
                $model->load($id);
                $title = $model->getTitle();
                $model->delete();
                // display success message
                $this->messageManager->addSuccess(__('The news has been deleted.'));
                // go to grid
                $this->_eventManager->dispatch(
                    'adminhtml_news_on_delete',
                    ['title' => $title, 'status' => 'success']
                );
                return $resultRedirect->setPath('*/*/');
            } catch (\Exception $e) {
                $this->_eventManager->dispatch(
                    'adminhtml_news_on_delete',
                    ['title' => $title, 'status' => 'fail']
                );
                // display error message
                $this->messageManager->addError($e->getMessage());
                // go back to edit form
                return $resultRedirect->setPath('*/*/edit', ['news_id' => $id]);
            }
        }
        // display error message
        $this->messageManager->addError(__('We can\'t find a news to delete.'));
        // go to grid
        return $resultRedirect->setPath('*/*/');
    }
}
?>

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Create Controller Action MassDelete

Rsgitech\News\Controller\Adminhtml\Allnews\MassDelete.php

<?php

namespace Rsgitech\News\Controller\Adminhtml\Allnews;

use Magento\Framework\Controller\ResultFactory;
use Magento\Backend\App\Action\Context;
use Magento\Ui\Component\MassAction\Filter;
use Rsgitech\News\Model\ResourceModel\Allnews\CollectionFactory;

/**
 * Class MassDelete
 */
class MassDelete extends \Magento\Backend\App\Action
{
    /**
     * @var Filter
     */
    protected $filter;

    /**
     * @var CollectionFactory
     */
    protected $collectionFactory;

    /**
     * @param Context $context
     * @param Filter $filter
     * @param CollectionFactory $collectionFactory
     */
    public function __construct(Context $context, Filter $filter, CollectionFactory $collectionFactory)
    {
        $this->filter = $filter;
        $this->collectionFactory = $collectionFactory;
        parent::__construct($context);
    }
	
	/**
     * Authorization level
     *
     * @see _isAllowed()
     */
	protected function _isAllowed()
	{
		return $this->_authorization->isAllowed('Rsgitech_News::news_delete');
	}

    /**
     * Execute action
     *
     * @return \Magento\Backend\Model\View\Result\Redirect
     * @throws \Magento\Framework\Exception\LocalizedException|\Exception
     */
    public function execute()
    {
        $collection = $this->filter->getCollection($this->collectionFactory->create());
				
        $collectionSize = $collection->getSize();

        foreach ($collection as $news) {
            $news->delete();
        }

        $this->messageManager->addSuccess(__('A total of %1 record(s) have been deleted.', $collectionSize));

        /** @var \Magento\Backend\Model\View\Result\Redirect $resultRedirect */
        $resultRedirect = $this->resultFactory->create(ResultFactory::TYPE_REDIRECT);
        return $resultRedirect->setPath('*/*/');
    }
}
?>

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Then run below commands

php bin/magento setup:upgrade
php bin/magetno setup:static-content:deploy
php bin/magento cache:flush

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