[]
Deletes this data label.
Removes the data label from its parent chart point or trendline.
void Delete()
Sub Delete()
worksheet.Range["A1:B4"].Value = new object[,] {
{"Month", "Sales"},
{"Jan", 10},
{"Feb", 20},
{"Mar", 15}
};
IShape shape = worksheet.Shapes.AddChart(ChartType.ColumnClustered, 20, 20, 360, 230);
shape.Chart.SeriesCollection.Add(worksheet.Range["A1:B4"], RowCol.Columns, true, true);
ISeries series = shape.Chart.SeriesCollection[0];
series.HasDataLabels = true;
IDataLabel dataLabel = series.Points[1].DataLabel;
dataLabel.Delete();