[]
Gets or sets whether the category name is displayed in the data label.
If this property returns true, the data label shows the category name
for the associated chart point. If it returns false, the category name
is hidden.
bool ShowCategoryName { get; set; }
Property ShowCategoryName As Boolean
worksheet.Range["A1:B3"].Value = new object[,] {
{"Month", "Sales"},
{"Jan", 10},
{"Feb", 20}
};
IChart chart = worksheet.Shapes.AddChart(ChartType.ColumnClustered, 20, 20, 300, 200).Chart;
chart.SeriesCollection.Add(worksheet.Range["A1:B3"], RowCol.Columns);
ISeries series = chart.SeriesCollection[0];
series.HasDataLabels = true;
IDataLabel dataLabel = series.Points[0].DataLabel;
bool showCategoryName = dataLabel.ShowCategoryName;