Dml (insert/update) operation need to perform on SQL table by using power apps

Hi, Anshenterprices 

This seems more like a issue related to PowerApp Form control. I'm not an expert in Power Apps. 

You can check if these links are useful.

Power Apps visual for Power BI- PowerApps | Microsoft Docs 

Understand forms - PowerApps | Microsoft Docs

You can also post your question to the Power Apps Community for more professional help.

Best Regards,
Community Support Team _ Eason