You can use the ApplyTheme method to specify the Microsoft Office theme for a specified data access page.
expression.ApplyTheme(ThemeName)
expression Required. An expression that returns one of the objects in the Applies To list.
ThemeName Required String. The name of the Office theme.
The ApplyTheme method provides a means of changing environment options from Visual Basic code.
The following example applies the Artsy theme to the data access page named "Switchboard".
DataAccessPages("Switchboard").ApplyTheme "Artsy"