Hi CodeWork,
Thank you for contacting Syncfusion support..
We have checked the reported issue “Application crashed and numeric buttons are not rendered properly after scrolling datapager and changing numeric count” and the issue does not occurs from our end. We have attached the sample and video for your reference and you can download the same from the below link,
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 . It will be helpful for us to check on it and provide you the solution at the earliest.
Regards,
Pradeep Kumar B