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[Solved] HowTo: Bind Second YAxis to the second Value of a DataPoint

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Manfred asked on 24 Feb 2011, 08:36 AM

chart.png

Hi there,

I have the following:

foreach (KeyValuePair<string, List<OperationData>> opd in _viewModel.OperationDataDictionary)

{

DataSeries ds = new DataSeries();

DataSeries ds1 = new DataSeries();

ds.Definition = ProfitChart.DefaultSeriesDefinition;

ds.LegendLabel = opd.Key.ToString();

ds1.Definition = ProfitChart.DefaultSeriesDefinition;

AxisY ay = new AxisY();

ay.AxisName = "WindSpeed";

ay.Title = "m/s";

ProfitChart.DefaultView.ChartArea.AdditionalYAxes.Add(ay);

foreach (var elem in opd.Value.ToList())

{

string _zeit = elem.OD_DATE.Value.Hour + ":" + elem.OD_DATE.Value.Minute;

ds.Add(new DataPoint(_zeit, Convert.ToDouble(elem.LEISTNG_MIT)));

ds1.Add(new DataPoint(_zeit, Convert.ToDouble(elem.WINDGES_MIT)));

}

ProfitChart.DefaultView.ChartArea.DataSeries.Add(ds);

ProfitChart.DefaultView.ChartArea.DataSeries.Add(ds1);

SeriesMapping seriesMapping = new SeriesMapping();

seriesMapping.CollectionIndex = 1;

seriesMapping.LegendLabel = "WindSpeed";

seriesMapping.SeriesDefinition = new LineSeriesDefinition();

seriesMapping.SeriesDefinition.ShowItemLabels = false;

seriesMapping.ItemMappings.Add(new ItemMapping("YValue", DataPointMember.YValue));

ProfitChart.SeriesMappings.Add(seriesMapping);

}

My Axis appears, but the Values are not bound to the

elem.WINDGES_MIT-Value, my Chart looks like attached.

How can I bound my Windspeed to the second YAxis?



Best Regards

Manfred

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