Kendo Grid Groupable Columns Example — (Kendo UI For Angular)

Without mutating your DOM, you can use Groupable Feature with a checkbox on headers from Kendo UI Library easily.

Image by Author | Prepared with stackblitz Angular Code

Issue:

I see many developers are facing the issue with sorting out with Groupable feature of Kendo UI — Angular. When it comes to deal with a checkbox for headers and groupable columns, it is a real headache. I saw that my friends were mutating their DOM or HTML context using traditional javascript in their angular project, which doesn’t make sense to me. For example,

document.getElementById('some_id').addAttribute('checked', 'checked');

They are checking/unchecking the checkbox based on conditions. If you are doing the same, I am writing the article for you. Without mutating your DOM, can you achieve it?

Requirements:

1. Groupable must group your columns and show appropriate views to the users.
2. Put Checkboxes to the header grouped in the Kendo Grid and manage general operations with those checkboxes.
3. Kendo Grid enables you to show up grouped table data in simple and easy-to-understand visualization, also it should return results with a new JSON structure once you…