Example of Rounded Column in ASP.NET Core Chart Control
This sample shows the literacy rate by country in 2015 with the default column series in the chart.
DEMO
SOURCE
In this example, you can see how to render and configure the column chart. The column chart is used to compare the frequency, count, total or average of data in different categories. You can use the ChartCornerRadius option to customize the vertical rectangle, resulting in a rounded column.
Tooltip is enabled in this example. To see the tooltip in action, hover a point or tap on a point in touch enabled devices.
More information about the column series can be found in this documentation section.