CODEWITHSUNDEEP
c#wpfwpftoolkit
disambiguator
disambiguator

Reputation: 338

Binding LineSeries values to object fields

I'm using the 2010 release of the WPF Toolkit for DataVisualization.

If I want to create a LineSeries chart programmatically, this is what I did before. This code works and plots the data successfully:

public class TrendData {
    public string Group;
    public IEnumerable<KeyValuePair<DateTime, decimal>> Series;
}
...
//somewhere within my chart update method
foreach (TrendData line in DataCollection) {
   LineSeries l = new LineSeries() {
      DependentValuePath = "Value",
      IndependentValuePath = "Key",
      Title = line.Group,
      ItemsSource = line.Series
   };
   Chart.Series.Add(l);
}

This works without issue. However, I want to stored other values with the data points, because I want to display additional information on mouseover of a DataPoint. So I naively tried this:

public class TrendData {
   public string Group;
   public IEnumerable<PointData> Series;
}
public class PointData {
   public DateTime time;
   public decimal rate;
   public int x;
}
...
//somewhere within my chart update method
foreach (TrendData line in DataCollection) {
   LineSeries l = new LineSeries() {
      DependentValuePath = "rate",
      IndependentValuePath = "time",
      Title = line.Group,
      ItemsSource = line.Series
   };
   Chart.Series.Add(l);
}

This doesn't work, instead giving me an InvalidOperationException: "No suitable axis is available for plotting the dependent value." from DataPointSeries.

Ideas? Am I doing this completely wrong?

Upvotes: 0

Views: 2268

Answers (1)

disambiguator
disambiguator

Reputation: 338

Turns out this works absolutely perfectly. I just had a typo in my code elsewhere that was causing this.

Upvotes: 1

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