alignment property

ChartAlignment alignment
final

Alignment of the data label. The data label can be aligned far, near, or center of the data point position.

Defaults to ChartAlignment.center

Also refer ChartAlignment

Widget build(BuildContext context) {
   return Container(
       child: SfCartesianChart(
           series: <SplineSeries<SalesData, num>>[
               SplineSeries<SalesData, num>(
                 dataLabelSettings: DataLabelSettings(isVisible: true, alignment: ChartAlignment.center),
               ),
             ],
       ));
}

Implementation

final ChartAlignment alignment