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Amani
25
How to add multiple series to an ultrachart?
posted

I get my data in a dataset which looks something like the following:

CustomerID         ReturnDate         AvgTime

123                        11/2/09                 1

123                        11/4/09                3

144                        11/2/09                2

144                        11/3/09                1

I want the ultra chart to show two series one for customer 123 and one for customer 144 and my X-Axis will be ReturnDate

and my  Y-Axis will be AvgTime.

Any ideas?

** I am using a line chart

Thank you in advance:)

 

 

Parents
  • 25
    posted

    So I passed the previous problem but now I have a problem with null datapoints, I have the following code:

    Me.UltraChart1.LineChart.NullHandling = Infragistics.UltraChart.Shared.Styles.NullHandling.DontPlot

    If IsDBNull(dt1.Rows(i)("DT")) Then

        series.Points.Add(New NumericDataPoint(dt1.Rows(i)("DT"), "A", True))

    Else

        series.Points.Add(New NumericDataPoint(dt1.Rows(i)("DT"), "B", False))

    End If

    Sometimes the value for dt1.Rows(i)("DT") is null and I was trying to not plot nulls, however the previous code throws the error “Conversion from ‘DBNull’ to ‘Double’ is not valid” . What I can do to resolve the problem?

    Thanks!

     

     

     

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