SeriesCollection getRandomData() { SeriesCollection SC = new SeriesCollection(); Random myR = new Random(); for(int a = 1; a < 5; a++) { Series s = new Series(); s.Name = "Series " + a; for(int b = 1; b < 5; b++) { Element e = new Element(); e.Name = "Element " + b; //e.YValue = -25 + myR.Next(50); e.YValue = myR.Next(50); s.Elements.Add(e); } SC.Add(s); }
// Set this property in order to get error messages when the chart has problems: Chart.Debug = true;
// If there is a problem with the data engine, we can also debug it with the following:
// We setup a dataengine object and cause an error. DataEngine de = new DataEngine(); de.ConnectionString = "error causing connection string"; de.SqlStatement = "error causing statement"; SeriesCollection sc = de.GetSeries();
// Now assign the error message to a label on the page. Label.Text = "DataEngine ErrorMessage: " + de.ErrorMessage;
Chart.YAxis.Scale = Scale.Time;
// Add the random data. Chart.SeriesCollection.Add(getRandomData());
Function getRandomData() As SeriesCollection Dim SC As SeriesCollection = New SeriesCollection() Dim myR As Random = New Random() For a As Integer = 1 To 4 Dim s As Series = New Series() s.Name = "Series " & a For b As Integer = 1 To 4 Dim e As Element = New Element() e.Name = "Element " & b 'e.YValue = -25 + myR.Next(50); e.YValue = myR.Next(50) s.Elements.Add(e) Next b SC.Add(s) Next a
Return SC End Function
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
' Set this property in order to get error messages when the chart has problems: Chart.Debug = True
' If there is a problem with the data engine, we can also debug it with the following:
' We setup a dataengine object and cause an error. Dim de As DataEngine = New DataEngine() de.ConnectionString = "error causing connection string" de.SqlStatement = "error causing statement" Dim sc As SeriesCollection = de.GetSeries()
' Now assign the error message to a label on the page. Label.Text = "DataEngine ErrorMessage: " & de.ErrorMessage
Chart.YAxis.Scale = Scale.Time
' Add the random data. Chart.SeriesCollection.Add(getRandomData())
End Sub </script> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Debugging Sample</title>
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