PlotBy Property
From Microsoft Excel Visual Basic
Returns or sets the way columns or rows are used as data series on the chart. Can be one of the following XlRowCol constants: xlColumns or xlRows. Read/write Long. For PivotChart reports, this property is read-only and always returns xlColumns.
Example
This example causes the embedded chart to plot data by columns.
Worksheets(1).ChartObjects(1).Chart.PlotBy = xlColumns