Magento 2 Module

How to validate the data before saving in Magento 2

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Hi Everybody, I am Cuong, Welcome to my Magento 2 Tutorial video series. #magento2tutorial In the previous lessons, I showed everyone: 1. How to create a new module in Magento 2, at the video link https://www.youtube.com/watch?v=JwxtiEwEZpk 2. How to add new tables for a custom module in Magento 2, at the video link https://www.youtube.com/watch?v=gtSx1BUxYtw 3. How to create an adminhtml grid using UI component in Magento 2, at the video link https://www.youtube.com/watch?v=qeIjXiAI5JY 4. How to create a form using UI component in Magento 2, at the video link https://www.youtube.com/watch?v=FCgi2-ZB7fA 5. How to upload an image using fileUploader in Magento 2, at the video link https://www.youtube.com/watch?v=YZ3JQ9sH6V0 To continue the previous lessons, today, I am going to show everyone, How to validate the data before saving it in Magento 2. As far as we know, In Resource model, there is a method called _beforeSave, it allows us to validate the data before saving it. So this is the best place to check data validation. Okie, let's go. For now, we will validate the Name, URL Link, Group Name, Sort Order The Name, Group Name is required The URL Link is a URL The Sort Order is a numeric This lesson is easy to understand ;) Thank you for your watching. If you have any questions about this exercise please feel free to leave a comment below. Don't forget to like, comment, share and subscribe to my channel for getting the latest videos. Please do not hesitate to contact me if you need me to join your Magento project. My rate is $25/hour in Magento 1 and $30/hour in Magento 2. Get the source codes of this tutorial on the github https://github.com/php-cuong/magento2-banners-slider

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