// Demonstrates getting and using datasources with an annotation.
// *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
Annotation an = new Annotation("Sum : %Sum \nAverage : %Average \nSmallest Series : %MinYValueSeriesName \nLargest Series : %MaxYValueSeriesName "); Chart.Annotations.Add(an); an.Size = new Size(150,60); an.Position = new Point(40,42); an.Label.LineAlignment = StringAlignment.Center; an.DataSource = ds;
// 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 with an annotation.
' *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()
Dim an As Annotation = New Annotation("Sum : %Sum " & Constants.vbLf & "Average : %Average " & Constants.vbLf & "Smallest Series : %MinYValueSeriesName " & Constants.vbLf & "Largest Series : %MaxYValueSeriesName ") Chart.Annotations.Add(an) an.Size = New Size(150,60) an.Position = New Point(40,42) an.Label.LineAlignment = StringAlignment.Center an.DataSource = ds
' 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
Previous