Gridlines Object (Excel)

Represents major or minor gridlines on a chart axis.

Gridlines extend the tick marks on a chart axis to make it easier to see the values associated with the data markers. This object isn’t a collection. There’s no object that represents a single gridline; you either have all gridlines for an axis turned on or all of them turned off.

Use the MajorGridlines property to return the GridLines object that represents the major gridlines for the axis. Use the MinorGridlines property to return the GridLines object that represents the minor gridlines. It’s possible to return both major and minor gridlines at the same time.

The following example turns on major gridlines for the category axis on the chart sheet named "Chart1" and then formats the gridlines to be blue dashed lines.

With Charts("chart1").Axes(xlCategory) 
 .HasMajorGridlines = True 
 .MajorGridlines.Border.Color = RGB(0, 0, 255) 
 .MajorGridlines.Border.LineStyle = xlDash 
End With
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