When you select a table, the Row Shading tab in the Object palette presents options for applying shading colors to alternating rows.For a table in which data is merged when the form is rendered, shading is applied only to body rows in which merged data appears. Shading is not applied to body rows that are not part of the data-merging process. All rows to which shading is applied must have a name. See Body row properties in the Binding tab.Sets the number of body rows that the second shading color is applied to, following the body rows shaded using the first shading color.