ResultsSection object, TableSection object, ReportTable object
Specifies how often alternate colored rows occur, such as every third row.
This example shows how to use alternate colored rows on every other row. It also changes the background alternate color to light yellow:
ActiveDocument.Sections["Table2"].BackgroundAlternateColor = bqLightYellowActiveDocument.Sections["Table2"].BackgroundAlternateFrequency = 1