KKKarthikraja Kalaimani Syncfusion Team December 24, 2019 08:42 AM
Thanks for contacting Syncfusion support,
Based on your provided details we have checked the reported issue “Items are not shown in grouped column” and we are unable to reproduce the issue in our end. We have attached the tested sample for your reference.
Please check the sample and let us know if you still facing the same issue? If not, please modify the sample based on your scenario and revert us back.