Hello Fred,

I made a test with the same build and everthing works properly. Could you please send us your sample that reproduce this issue and I`ll be glad ot research it for you.

Let me know if you have any questions.

Regards

I realize that even if I manage to display the Y2 labels, the scale itself is not applied.  

I guess my problem is how to specify which series apply to which axis (y or y2)

Hello Fred,

In that case you should have similar code. Please take a look how to implement different axis and assign each axis to desired series.

// Axis Y

AxisItem axisY = new AxisItem();

axisY.Extent = 20;

axisY.DataType = AxisDataType.Numeric;

axisY.Labels.ItemFormatString = "<DATA_VALUE:00.00>";

axisY.OrientationType = AxisNumber.Y_Axis;

axisY.LineColor = Color.Blue;

area.Axes.Add(axisY);

// Axis Y2

AxisItem axisY2 = new AxisItem();

axisY2.Extent = 20;

axisY2.DataType = AxisDataType.Numeric;

axisY2.Labels.ItemFormatString = "<DATA_VALUE:00.00>";

axisY2.OrientationType = AxisNumber.Y2_Axis;

axisY2.LineColor = Color.Blue;

area.Axes.Add(axisY2);

// Series 1

XYSeries series1 = new XYSeries();

series1.Label = "Year 2010";

series1.DataBind(dt, "MonthID", "2010", "Month");

series1.PEs.Add(new PaintElement(Color.Blue));

// Series 1

XYSeries series2 = new XYSeries();

series2.Label = "Year 2011";

series2.DataBind(dt, "MonthID", "2011", "Month");

series2.PEs.Add(new PaintElement(Color.Red));

ChartLayerAppearance myColumnLayer = new ChartLayerAppearance();

myColumnLayer.ChartType = ChartType.ScatterChart;

myColumnLayer.ChartArea = area;

myColumnLayer.Series.Add(series1);

myColumnLayer.AxisX = axisX;

myColumnLayer.AxisY = axisY;

ultraChart1.CompositeChart.Series.Add(series1);

this.ultraChart1.CompositeChart.ChartLayers.Add(myColumnLayer);

ChartLayerAppearance myColumnLayer2 = new ChartLayerAppearance();

myColumnLayer2.ChartType = ChartType.ScatterChart;

myColumnLayer2.ChartArea = area;

myColumnLayer2.AxisX = axisX;

myColumnLayer2.AxisY2 = axisY2;

myColumnLayer2.Series.Add(series2);

ultraChart1.CompositeChart.Series.Add(series2);

this.ultraChart1.CompositeChart.ChartLayers.Add(myColumnLayer2);

 Let me know if you have any questions.

Regards

what is the 

area.Axes.Add(axisY);

AREA property, it's a property of what

What if my data in like so

Does your method still applies ?

looked at your sample.. thanks.. very close i think

the problem remaining is that 2 columns will have huge numbers in the 10000 and the last one small numbers

So i would like first two to be on different scale (y) that last one (y1) so last column is not dwarfed by the scale

Here is the sample

Hello Fred,

Could you please take a look at the attached sample and if you think that I didn`t reproduce your scenario, please feel free to modify this sample to reproduce your scenario and issue and revert it back to me. I`ll be glad ot research your issue.

Let me know if you have any questions