This example uses the GridLineColor property.
             
    
	
		gcSpreadSheet1.Workbook.GridLineColor = Windows.UI.Colors.Green;
gcSpreadSheet1.Workbook.ShowGridLine = true;
	 
	
		gcSpreadSheet1.Workbook.GridLineColor = Windows.UI.Colors.Green
gcSpreadSheet1.Workbook.ShowGridLine = True
	 
	
 
Target Platforms: Windows Server 2012, Windows RT