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