[C#]	public void setGridAxis(Axis xGridAxis, Axis yGridAxis);
[VB]	Public Sub setGridAxis(xGridAxis As Axis, yGridAxis As Axis)

Sets the axis used for drawing grid lines.

By default, the grid lines will be based on the ticks on the primary x-axis (XYChart.xAxis) and primary y-axis (XYChart.yAxis). This method may be used to specify alternative x-axis and y-axis to base the grid lines on.

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