PSPavithra Subramaniyam Syncfusion Team October 31, 2022 04:28 AM
Hi Mohammad Abbasi,
Thanks for contacting Syncfusion support.
From your update, we understood that you want to add three-level stacked columns in the EJ2 Grid. You can achieve your requirement by using
the “column.columns” property. Please refer to the below code example and the sample link for more information.