https://help.syncfusion.com/cr/aspnetmvc-js2/Syncfusion.EJ2.Charts.ChartTrendLineMarkerBorder.html
Class ChartTrendLineMarkerBorder - ASP.NETMVC-EJ2 API Reference | Syncfusion
Class ChartTrendLineMarkerBorder - ASP.NETMVC-EJ2 API Reference
api referenceclassaspsyncfusion