[]
Specifies how blank cells are plotted on a chart.
Use this enumeration with chart and sparkline blank-cell display settings to control whether blank cells are shown as gaps, zero values, or interpolated values.
public enum DisplayBlanksAs
Public Enum DisplayBlanksAs
worksheet.Range["A1:B4"].Value = new object[,] {
{"Month", "Sales"},
{"Jan", 10},
{"Feb", null},
{"Mar", 20}
};
IShape shape = worksheet.Shapes.AddChart(ChartType.Line, 200, 20, 300, 200);
shape.Chart.SeriesCollection.Add(worksheet.Range["A1:B4"], RowCol.Columns, true, true);
shape.Chart.DisplayBlanksAs = DisplayBlanksAs.Zero;
| Name | Description |
|---|---|
| Interpolated | Specifies that values are interpolated into the chart. |
| NotPlotted | Specifies that blank cells are not plotted. |
| Zero | Specifies that blanks are plotted as zero. |