Create Grid, Add Button, Edit, Delete Actions in Magento2

We’ve noticed that many Magento 2 developers face difficulties when trying to create UI component grid and form in the admin panel.

In this tutorial, we will show you how to

  1. Create UI component grid and
  2. Create UI component form
  3. CRUD operations such as save, delete, update, massStatus, massDelete records

Here is the step-by-step process to create UI component grid and form from scratch in Magento 2.

1. Activate Module

Create The Module Configuration File Named Module.Xml

Create app/code/Thecoachsmb/Grid/etc/module.xml file

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
    <module name="Thecoachsmb_Grid" setup_version="1.0.0">
    </module>
</config>

Create Registration.php file for registering module

Create app/code/Thecoachsmb/Grid/registration.php file

<?php
\Magento\Framework\Component\ComponentRegistrar::register(
    \Magento\Framework\Component\ComponentRegistrar::MODULE,
    'Thecoachsmb_Grid',
    __DIR__
);

2. Create Route file routes.xml

Now, the next step is to add an admin router of the module. For that, we need to create a routes.xml file In app/code/Thecoachsmb/Grid/etc/adminhtml/routes.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:App/etc/routes.xsd">
    <router id="admin">
        <route id="thecoachsmb" frontName="thecoachsmb">
            <module name="Thecoachsmb_Grid" before="Magento_Adminhtml"/> 
        </route> 
    </router> 
</config>

3. Create Menu for our custom module in Admin Panel

Next, we will have to add link in admin menu for which we need to create menu.xml

Create app/code/Thecoachsmb/Grid/etc/adminhtml/menu.xml file

Menu Name – Thecoachsmb

Sub-Menu Name – Articles

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Backend:etc/menu.xsd">
    <menu>
    	<add id="Thecoachsmb_Grid::gridmanager" title="Thecoachsmb" module="Thecoachsmb_Grid" sortOrder="10" resource="Thecoachsmb_Grid::gridmanager"/>
    	<add id="Thecoachsmb_Grid::create" title="Grid Manager" module="Thecoachsmb_Grid" sortOrder="20" parent="Thecoachsmb_Grid::gridmanager" action="thecoachsmb/grid/index" resource="Thecoachsmb_Grid::create"/>
    </menu>
</config>

Clear cache : php bin/magento c:f

Refresh the Admin Panel, you should see Menu as shown below.

4. Create Table

Create app/code/Thecoachsmb/Grid/etc/db_schema.xml file

Here Table Name – thecoachsmb_article

Columns – article_id, title

<?xml version="1.0"?>
<schema xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="urn:magento:framework:Setup/Declaration/Schema/etc/schema.xsd">
<table name="thecoachsmb_article_grid" resource="default" engine="innodb" comment="Thecoachsmb Article">
<column xsi:type="int" name="article_id" unsigned="true" nullable="false" identity="true" comment="Article ID"/>
<column xsi:type="varchar" name="title" nullable="true" length="255" comment="Title"/>
<constraint xsi:type="primary" referenceId="PRIMARY">
<column name="article_id"/>
</constraint>
</table>
</schema>

Now, run the below command to update this table in the databse:

php bin/magento setup:upgrade && php bin/magento setup:static-content:deploy -f
This will create table in the database. To check the table, go to the database

 

5. Create the Model file

After that, we will need to take care of the business logic and a single instance of object. So, let’s create Grid.php in  app/code/Thecoachsmb/Grid/Model/Grid.php file

<?php
namespace Thecoachsmb\Grid\Model;

use Thecoachsmb\Grid\Api\Data\GridInterface;

class Grid extends \Magento\Framework\Model\AbstractModel implements GridInterface
{
    /**
     * CMS page cache tag.
     */
    const CACHE_TAG = 'thecoachsmb_article';

    /**
     * @var string
     */
    protected $_cacheTag = 'thecoachsmb_article';

    /**
     * Prefix of model events names.
     *
     * @var string
     */
    protected $_eventPrefix = 'thecoachsmb_article';

    /**
     * Initialize resource model.
     */
    protected function _construct()
    {
        $this->_init('Thecoachsmb\Grid\Model\ResourceModel\Grid');
    }
    /**
     * Get EntityId.
     *
     * @return int
     */
    public function getArticleId()
    {
        return $this->getData(self::ARTICLE_ID);
    }

    /**
     * Set EntityId.
     */
    public function setArticleId($articleId)
    {
        return $this->setData(self::ARTICLE_ID, $articleId);
    }

    /**
     * Get Title.
     *
     * @return varchar
     */
    public function getTitle()
    {
        return $this->getData(self::TITLE);
    }

    /**
     * Set Title.
     */
    public function setTitle($title)
    {
        return $this->setData(self::TITLE, $title);
    }
}

6. Now, Create the Interface  file

Create GridInterface.php in app\code\Thecoachsmb\Grid\Api\Data folder.

<?php
namespace Thecoachsmb\Grid\Api\Data;

interface GridInterface
{
    /**
     * Constants for keys of data array. Identical to the name of the getter in snake case.
     */
    const ARTICLE_ID = 'article_id';
    const TITLE = 'title';

    /**
     * Get ArticleId.
     *
     * @return int
     */
    public function getArticleId();

    /**
     * Set ArticleId.
     */
    public function setArticleId($articleId);

    /**
     * Get Title.
     *
     * @return varchar
     */
    public function getTitle();

    /**
     * Set Title.
     */
    public function setTitle($title);    
}

7. Create the Resource Model file

Now, for table ‘thecoachsmb_article_grid’, create the ResourceModel File

<?php
namespace Thecoachsmb\Grid\Model\ResourceModel;

/**
 * Grid Grid mysql resource.
 */
class Grid extends \Magento\Framework\Model\ResourceModel\Db\AbstractDb
{
    /**
     * @var string
     */
    protected $_idFieldName = 'article_id';
    /**
     * @var \Magento\Framework\Stdlib\DateTime\DateTime
     */
    protected $_date;

    /**
     * Construct.
     *
     * @param \Magento\Framework\Model\ResourceModel\Db\Context $context
     * @param \Magento\Framework\Stdlib\DateTime\DateTime       $date
     * @param string|null                                       $resourcePrefix
     */
    public function __construct(
        \Magento\Framework\Model\ResourceModel\Db\Context $context,
        \Magento\Framework\Stdlib\DateTime\DateTime $date,
        $resourcePrefix = null
    ) 
    {
        parent::__construct($context, $resourcePrefix);
        $this->_date = $date;
    }

    /**
     * Initialize resource model.
     */
    protected function _construct()
    {
        $this->_init('thecoachsmb_article_grid', 'article_id'); 
} 
}

8. Create the Collection file Collection.php

In app/code/Thecoachsmb/Grid/Model/ResourceModel/Grid/Collection.php

<?php
namespace Thecoachsmb\Grid\Model\ResourceModel\Grid;

class Collection extends \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection
{
    /**
     * @var string
     */
    protected $_idFieldName = 'article_id';
    /**
     * Define resource model.
     */
    protected function _construct()
    {
        $this->_init('Thecoachsmb\Grid\Model\Grid', 'Thecoachsmb\Grid\Model\ResourceModel\Grid');
    }
}

9. Create Controller to display grid in the Menu – Grid Manager

Now, we will create controller file Index.php in app/code/Thecoachsmb/Grid/Controller/Adminhtml/Grid

<?php
namespace Thecoachsmb\Grid\Controller\Adminhtml\Grid;

class Index extends \Magento\Backend\App\Action
{
    /**
     * @var \Magento\Framework\View\Result\PageFactory
     */
    protected $_resultPageFactory;

    /**
     * @param \Magento\Backend\App\Action\Context        $context
     * @param \Magento\Framework\View\Result\PageFactory $resultPageFactory
     */
    public function __construct(
        \Magento\Backend\App\Action\Context $context,
        \Magento\Framework\View\Result\PageFactory $resultPageFactory
    ) 
    {
        parent::__construct($context);
        $this->_resultPageFactory = $resultPageFactory;
    }

    /**
     * Grid List page.
     *
     * @return \Magento\Backend\Model\View\Result\Page
     */
    public function execute()
    {
        /** @var \Magento\Backend\Model\View\Result\Page $resultPage */
        $resultPage = $this->_resultPageFactory->create();
        $resultPage->setActiveMenu('Thecoachsmbl_Grid::grid_list');
        $resultPage->getConfig()->getTitle()->prepend(__('Grid List'));

        return $resultPage;
    }

    /**
     * Check Grid List Permission.
     *
     * @return bool
     */
    protected function _isAllowed()
    {
        return $this->_authorization->isAllowed('Thecoachsmb_Grid::grid_list');
    }
}

10. Display Grid

Ceate layout file thecoachsmb_grid_index.xml in app/code/Thecoachsmb/Grid/view/adminhtml/layout

<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <body>
        <referenceContainer name="content">
                <!-- here we call our ui component of grid-->
        	<uiComponent name="thecoachsmb_grid_listing"/>
        </referenceContainer>
    </body>
</page>

11. Create ui component for grid row list.

We’ll create thecoachsmb_grid_listing.xml in app/code/Thecoachsmb/Grid/view/adminhtml/ui_component folder as following.

<?xml version="1.0" encoding="UTF-8"?>
<listing xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Ui/etc/ui_configuration.xsd">
    <argument name="data" xsi:type="array">
        <item name="js_config" xsi:type="array">
            <item name="provider" xsi:type="string">thecoachsmb_grid_listing.thecoachsmb_grid_listing_data_source</item>
            <item name="deps" xsi:type="string">thecoachsmb_grid_listing.thecoachsmb_grid_listing_data_source</item>
        </item>
        <item name="spinner" xsi:type="string">thecoachsmb_records_columns</item>
        <item name="buttons" xsi:type="array">
            <item name="add" xsi:type="array">
                <item name="name" xsi:type="string">add</item>
                <item name="label" xsi:type="string" translate="true">Add New Article</item>
                <item name="class" xsi:type="string">primary</item>
                <item name="url" xsi:type="string">*/*/addrow</item>
            </item>
        </item>
    </argument>
    <dataSource name="thecoachsmb_grid_listing_data_source">
        <argument name="dataProvider" xsi:type="configurableObject">
            <argument name="class" xsi:type="string">Magento\Framework\View\Element\UiComponent\DataProvider\DataProvider</argument>
            <argument name="name" xsi:type="string">thecoachsmb_grid_listing_data_source</argument>
            <argument name="primaryFieldName" xsi:type="string">article_id</argument>
            <argument name="requestFieldName" xsi:type="string">id</argument>
            <argument name="data" xsi:type="array">
                <item name="config" xsi:type="array">
                    <item name="update_url" xsi:type="url" path="mui/index/render"/>
                </item>
            </argument>
        </argument>
        <argument name="data" xsi:type="array">
            <item name="js_config" xsi:type="array">
                <item name="component" xsi:type="string">Magento_Ui/js/grid/provider</item>
            </item>
        </argument>
    </dataSource>
    <columns name="thecoachsmb_records_columns">
        <selectionsColumn name="ids">
           <argument name="data" xsi:type="array">
               <item name="config" xsi:type="array">
                   <item name="indexField" xsi:type="string">article_id</item>
                   <item name="sorting" xsi:type="string">desc</item>
                   <item name="sortOrder" xsi:type="number">0</item>
               </item>
           </argument>
       </selectionsColumn>
       <column name="article_id" sortOrder="20">
         <settings>
             <filter>textRange</filter>
             <label translate="true">ID</label>
             <sorting>asc</sorting>
         </settings>
       </column>
       <column name="title">
           <argument name="data" xsi:type="array">
               <item name="config" xsi:type="array">
                   <item name="filter" xsi:type="string">textRange</item>
                   <item name="label" xsi:type="string" translate="true">Title</item>
               </item>
           </argument>
       </column>
       <!-- Add Action with each row of grid and for this we will create a class Action -->
       <actionsColumn name="actions" class="Thecoachsmb\Grid\Ui\Component\Listing\Grid\Column\Action">
           <argument name="data" xsi:type="array">
               <item name="config" xsi:type="array">
                   <item name="resizeEnabled" xsi:type="boolean">false</item>
                   <item name="resizeDefaultWidth" xsi:type="string">107</item>
                   <item name="indexField" xsi:type="string">id</item>
               </item>
           </argument>
       </actionsColumn>
    </columns>
</listing>

12. Create di.xml file for map data provider with collection

In app/code/Thecoachsmb/Grid/etc/di.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <preference for="Thecoachsmb\Grid\Api\Data\GridInterface" type="Thecoachsmb\Grid\Model\Grid" />

    <virtualType name="Thecoachsmb\Grid\Model\ResourceModel\Grid\Grid\Collection" type="Magento\Framework\View\Element\UiComponent\DataProvider\SearchResult">
        <arguments>
            <argument name="mainTable" xsi:type="string">thecoachsmb_article_grid</argument>
            <argument name="resourceModel" xsi:type="string">Thecoachsmb\Grid\Model\ResourceModel\Grid</argument>
        </arguments>
    </virtualType>
    <type name="Magento\Framework\View\Element\UiComponent\DataProvider\CollectionFactory">
        <arguments>
            <argument name="collections" xsi:type="array">
                <item name="thecoachsmb_grid_listing_data_source" xsi:type="string">Thecoachsmb\Grid\Model\ResourceModel\Grid\Grid\Collection</item>
            </argument>
        </arguments>
    </type>
</config>

13. Create Action Class Action.php

In app/code/Thecoachsmb/Grid/Ui/Component/Listing/Grid/Column/Action.php

<?php

namespace Thecoachsmb\Grid\Ui\Component\Listing\Grid\Column;

use Magento\Framework\View\Element\UiComponent\ContextInterface;
use Magento\Framework\View\Element\UiComponentFactory;
use Magento\Ui\Component\Listing\Columns\Column;
use Magento\Framework\UrlInterface;

class Action extends Column
{
    /** Url path */
    const ROW_EDIT_URL = 'thecoachsmb/grid/addrow';
    /** @var UrlInterface */
    protected $_urlBuilder;

    /**
     * @var string
     */
    private $_editUrl;

    /**
     * @param ContextInterface   $context
     * @param UiComponentFactory $uiComponentFactory
     * @param UrlInterface       $urlBuilder
     * @param array              $components
     * @param array              $data
     * @param string             $editUrl
     */
    public function __construct(
        ContextInterface $context,
        UiComponentFactory $uiComponentFactory,
        UrlInterface $urlBuilder,
        array $components = [],
        array $data = [],
        $editUrl = self::ROW_EDIT_URL
    ) 
    {
        $this->_urlBuilder = $urlBuilder;
        $this->_editUrl = $editUrl;
        parent::__construct($context, $uiComponentFactory, $components, $data);
    }

    /**
     * Prepare Data Source.
     *
     * @param array $dataSource
     *
     * @return array
     */
    public function prepareDataSource(array $dataSource)
    {
        if (isset($dataSource['data']['items'])) {
            foreach ($dataSource['data']['items'] as &$item) {
                $name = $this->getData('name');
                if (isset($item['article_id'])) {
                    $item[$name]['edit'] = [
                        'href' => $this->_urlBuilder->getUrl(
                            $this->_editUrl, 
                            ['id' => $item['article_id']]
                        ),
                        'label' => __('Edit'),
                    ];
                }
            }
        }

        return $dataSource;
    }
}

14. Now we’ll start how to save/edit data in table using form

Above in our Ui component file thecoachsmb_grid_listing.xml we already add path of add form url now we’ll create controller file AddRow.php in app/code/Thecoachsmb/Grid/Controller/Adminhtml/Grid

<?php
namespace Thecoachsmb\Grid\Controller\Adminhtml\Grid;

use Magento\Framework\Controller\ResultFactory;

class AddRow extends \Magento\Backend\App\Action
{
    /**
     * @var \Magento\Framework\Registry
     */
    private $coreRegistry;

    /**
     * @var \Thecoachsmb\Grid\Model\GridFactory
     */
    private $gridFactory;

    /**
     * @param \Magento\Backend\App\Action\Context $context
     * @param \Magento\Framework\Registry $coreRegistry,
     * @param \Thecoachsmb\Grid\Model\GridFactory $gridFactory
     */
    public function __construct(
        \Magento\Backend\App\Action\Context $context,
        \Magento\Framework\Registry $coreRegistry,
        \Thecoachsmb\Grid\Model\GridFactory $gridFactory
    ) {
        parent::__construct($context);
        $this->coreRegistry = $coreRegistry;
        $this->gridFactory = $gridFactory;
    }

    /**
     * Mapped Grid List page.
     * @return \Magento\Backend\Model\View\Result\Page
     */
    public function execute()
    {
        $rowId = (int) $this->getRequest()->getParam('id');
        $rowData = $this->gridFactory->create();
        /** @var \Magento\Backend\Model\View\Result\Page $resultPage */
        if ($rowId) {
           $rowData = $rowData->load($rowId);
           $rowTitle = $rowData->getTitle();
           if (!$rowData->getArticleId()) {
               $this->messageManager->addError(__('row data no longer exist.'));
               $this->_redirect('thecoachsmb/grid/rowdata');
               return;
           }
       }

       $this->coreRegistry->register('row_data', $rowData);
       $resultPage = $this->resultFactory->create(ResultFactory::TYPE_PAGE);
       $title = $rowId ? __('Edit Row Data ').$rowTitle : __('Add Row Data');
       $resultPage->getConfig()->getTitle()->prepend($title);
       return $resultPage;
    }

    protected function _isAllowed()
    {
        return $this->_authorization->isAllowed('Thecoachsmb_Grid::add_row');
    }
}

15. Create layout file thecoachsmb_grid_addrow.xml to display the form

For render this form create layout file thecoachsmb_grid_addrow.xml in app/code/Thecoachsmb/Grid/view/adminhtml/layout

<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="admin-1column"
      xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <body>
        <referenceContainer name="content">
           <block class="Thecoachsmb\Grid\Block\Adminhtml\Grid\AddRow" name="add_row" />
        </referenceContainer>
    </body>
</page>

16. Add Insert Action

Create block file of form AddRow.php in app/code/Thecoachsmb/Grid/Block/Adminhtml/Grid

<?php
namespace Thecoachsmb\Grid\Block\Adminhtml\Grid;

class AddRow extends \Magento\Backend\Block\Widget\Form\Container
{
    /**
     * Core registry.
     *
     * @var \Magento\Framework\Registry
     */
    protected $_coreRegistry = null;

    /**
     * @param \Magento\Backend\Block\Widget\Context $context
     * @param \Magento\Framework\Registry           $registry
     * @param array                                 $data
     */
    public function __construct(
        \Magento\Backend\Block\Widget\Context $context,
        \Magento\Framework\Registry $registry,
        array $data = []
    ) 
    {
        $this->_coreRegistry = $registry;
        parent::__construct($context, $data);
    }

    /**
     * Initialize Imagegallery Images Edit Block.
     */
    protected function _construct()
    {
        $this->_objectId = 'row_id';
        $this->_blockGroup = 'Thecoachsmb_Grid';
        $this->_controller = 'adminhtml_grid';
        parent::_construct();
        if ($this->_isAllowedAction('Thecoachsmb_Grid::add_row')) {
            $this->buttonList->update('save', 'label', __('Save'));
        } else {
            $this->buttonList->remove('save');
        }
        $this->buttonList->remove('reset');
    }

    /**
     * Retrieve text for header element depending on loaded image.
     *
     * @return \Magento\Framework\Phrase
     */
    public function getHeaderText()
    {
        return __('Add Article Data');
    }

    /**
     * Check permission for passed action.
     *
     * @param string $resourceId
     *
     * @return bool
     */
    protected function _isAllowedAction($resourceId)
    {
        return $this->_authorization->isAllowed($resourceId);
    }

    /**
     * Get form action URL.
     *
     * @return string
     */
    public function getFormActionUrl()
    {
        if ($this->hasFormActionUrl()) {
            return $this->getData('form_action_url');
        }

        return $this->getUrl('*/*/save');
    }
}

17. Create Edit Form

Create block file of form with field Form.php in app/code/Thecoachsmb/Grid/Block/Adminhtml/Grid/Edit

<?php
namespace Thecoachsmb\Grid\Block\Adminhtml\Grid\Edit;

class Form extends \Magento\Backend\Block\Widget\Form\Generic
{
    /**
     * @var \Magento\Store\Model\System\Store
     */
    protected $_systemStore;

    /**
     * @param \Magento\Backend\Block\Template\Context $context
     * @param \Magento\Framework\Registry             $registry
     * @param \Magento\Framework\Data\FormFactory     $formFactory
     * @param array                                   $data
     */
    public function __construct(
        \Magento\Backend\Block\Template\Context $context,
        \Magento\Framework\Registry $registry,
        \Magento\Framework\Data\FormFactory $formFactory,
        array $data = []
    ) 
    {
        parent::__construct($context, $registry, $formFactory, $data);
    }

    /**
     * Prepare form.
     *
     * @return $this
     */
    protected function _prepareForm()
    {
        $dateFormat = $this->_localeDate->getDateFormat(\IntlDateFormatter::SHORT);
        $model = $this->_coreRegistry->registry('row_data');
        $form = $this->_formFactory->create(
            ['data' => [
                            'id' => 'edit_form', 
                            'enctype' => 'multipart/form-data', 
                            'action' => $this->getData('action'), 
                            'method' => 'post'
                        ]
            ]
        );

        $form->setHtmlIdPrefix('smb_');
        if ($model->getArticleId()) {
            $fieldset = $form->addFieldset(
                'base_fieldset',
                ['legend' => __('Edit Article Data'), 'class' => 'fieldset-wide']
            );
            $fieldset->addField('article_id', 'hidden', ['name' => 'article_id']);
        } else {
            $fieldset = $form->addFieldset(
                'base_fieldset',
                ['legend' => __('Add Article Data'), 'class' => 'fieldset-wide']
            );
        }

        $fieldset->addField(
            'title',
            'text',
            [
                'name' => 'title',
                'label' => __('Title'),
                'id' => 'title',
                'title' => __('Title'),
                'class' => 'required-entry',
                'required' => true,
            ]
        );
        
        $form->setValues($model->getData());
        $form->setUseContainer(true);
        $this->setForm($form);

        return parent::_prepareForm();
    }
}

18. Save Data in the Database

Create Save.php in app/code/Thecoachsmb/Grid/Controller/Adminhtml/Grid for save record

<?php

namespace Thecoachsmb\Grid\Controller\Adminhtml\Grid;

class Save extends \Magento\Backend\App\Action
{
    /**
     * @var \Thecoachsmb\Grid\Model\GridFactory
     */
    var $gridFactory;

    /**
     * @param \Magento\Backend\App\Action\Context $context
     * @param \Thecoachsmb\Grid\Model\GridFactory $gridFactory
     */
    public function __construct(
        \Magento\Backend\App\Action\Context $context,
        \Thecoachsmb\Grid\Model\GridFactory $gridFactory
    ) {
        parent::__construct($context);
        $this->gridFactory = $gridFactory;
    }

    /**
     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
     * @SuppressWarnings(PHPMD.NPathComplexity)
     */
    public function execute()
    {
        $data = $this->getRequest()->getPostValue();
        if (!$data) {
            $this->_redirect('thecoachsmb/grid/addrow');
            return;
        }
        try {
            $rowData = $this->gridFactory->create();
            $rowData->setData($data);
            if (isset($data['id'])) {
                $rowData->setEntityId($data['id']);
            }
            $rowData->save();
            $this->messageManager->addSuccess(__('Row data has been successfully saved.'));
        } catch (\Exception $e) {
            $this->messageManager->addError(__($e->getMessage()));
        }
        $this->_redirect('thecoachsmb/grid/index');
    }

    /**
     * @return bool
     */
    protected function _isAllowed()
    {
        return $this->_authorization->isAllowed('Thecoachsmb_Grid::save');
    }
}

That’s it.

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