DataLabel.ShowCategoryName Property (Excel)
True to display the category name for the data labels on a chart. False to hide. Read/write Boolean.
Syntax
expression .ShowCategoryName
expression An expression that returns a DataLabel object.
Remarks
The chart must first be active before you can access the data labels programmatically or a run-time error will occur.
Example
This example shows the category name for the data labels of the first series on the first chart. This example assumes a chart exists on the active worksheet.
Sub UseCategoryName()
ActiveSheet.ChartObjects(1).Activate
ActiveChart.SeriesCollection(1) _
.DataLabels.ShowCategoryName = True
End Sub