NewSeries Method [Excel 2003 VBA Language Reference]
Creates a new series. Returns a Series object that represents the new series.
expression**.NewSeries()**
expression Required. An expression that returns a SeriesCollection object.
Remarks
This method isn't available for PivotChart reports.
Example
This example adds a new series to chart one.
Set ns = Charts(1).SeriesCollection.NewSeries
Applies to | SeriesCollection Collection Object