It is strange that when I set
GridVisualStyles = GridVisualStyles.Office2016Colorful (or 2016Black, 2016White, 2016DarkGray)
the blank "AddNewRow" just disappears, even after I set "TopLevelGroupOptions.ShowAddNewRecordBeforeDetails = true"
Is it a Bug?
My syncfusion version is v16.3.0.21