IsOnXYPlane Property (GridLines)
Set to True if grid lines are to appear on the XY-plane. In 2D projections, grid lines are drawn perpendicular to the axis.
Syntax
Property IsOnXYPlane As Boolean
Example
' Grid lines in XY-plane
Chart3D1.ChartArea.Axes("X").MajorGrid.IsOnXYPlane = True
See Also
GridLines Object