// Demonstrates getting and using datasources to evaluate token expressions. // FullScreen
// *DYNAMIC DATA NOTE* // This sample uses random data to populate the chart. To populate // a chart with database data see the following resources: // - Help File > Getting Started > Data Tutorials // - DataEngine Class in the help file // - Sample: features/DataEngine.aspx
// Evaluate the token string with the datasource. label1.Text = ds.EvaluateExpression("Sum: %Sum <BR> Average: %Average <BR> Smallest Series : %MinYValueSeriesName <BR> Largest Series : %MaxYValueSeriesName ",Chart.Type,false);
// Add the random data. Chart.SeriesCollection.Add(mySC);
}
SeriesCollection getRandomData() { Random myR = new Random(1); SeriesCollection SC = new SeriesCollection(); for(int a = 1; a < 5; a++) { Series s = new Series("Series " + a.ToString()); for(int b = 1; b < 5; b++) { Element e = new Element("Element " + b.ToString()); e.YValue = myR.Next(50); s.Elements.Add(e); } SC.Add(s); } return SC; }
' Demonstrates getting and using datasources to evaluate token expressions. ' FullScreen
' *DYNAMIC DATA NOTE* ' This sample uses random data to populate the chart. To populate ' a chart with database data see the following resources: ' - Help File > Getting Started > Data Tutorials ' - DataEngine Class in the help file ' - Sample: features/DataEngine.aspx
Dim mySC As SeriesCollection = getRandomData() Dim ds As DataSource = mySC.GetDataSource()
' Evaluate the token string with the datasource. label1.Text = ds.EvaluateExpression("Sum: %Sum <BR> Average: %Average <BR> Smallest Series : %MinYValueSeriesName <BR> Largest Series : %MaxYValueSeriesName ",Chart.Type,False)
' Add the random data. Chart.SeriesCollection.Add(mySC)
End Sub
Function getRandomData() As SeriesCollection Dim myR As Random = New Random(1) Dim SC As SeriesCollection = New SeriesCollection() For a As Integer = 1 To 4 Dim s As Series = New Series("Series " & a.ToString()) For b As Integer = 1 To 4 Dim e As Element = New Element("Element " & b.ToString()) e.YValue = myR.Next(50) s.Elements.Add(e) Next b SC.Add(s) Next a Return SC End Function
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