Data Labels add specific details to individual data points in a data series. They are used to ensure that users can easily understand and interpret the information plotted in a chart.
You can get or set the data labels, change their position and color, and control whether to show the data labels in the chart using the ApplyDataLabels method of the IChart interface. It returns the members of DataLabelVisibilities enumeration.
The following example code shows how to configure data labels in a chart.