Chart.AlignDataPointsByAxisLabel Method (PointSortOrder)
Aligns data points using their axis labels. All series in the chart are aligned, using the specified sort order.
Assembly: System.Web.DataVisualization (in System.Web.DataVisualization.dll)
A PointSortOrder object that indicates if ascending or descending sort order is used on axis labels, which in turn determines the order by which points that previously occupied the same axis space are displayed.
Available since 4.0