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Axis Shadow Series Last Values

Use a replica shadow axis to identify the last values of a series.

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<%@ Page Language="C#" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>.netCHARTING Sample</title>
<script runat="server">

void Page_Load(Object sender,EventArgs e)
{

Chart.Type = ChartType.Combo;//Horizontal;
Chart.Width = 600;
Chart.Height = 350;
Chart.TempDirectory = "temp";
Chart.Debug = true;
Chart.DefaultSeries.Type = SeriesType.Line;

// Demonstrates how to use a replica shadow axis to identify the last values of a series.

// *DYNAMIC DATA NOTE*
// This sample uses random data to populate the chart. To populate
// a chart with database data see the following resources:
// - Classic samples folder
// - Help File > Data Tutorials
// - Sample: features/DataEngine.aspx
SeriesCollection mySC = getRandomData();

// Get the x axis closer to the second axis.
Chart.XAxis.Maximum = 3;

// Setup the shadow axis and add it.
Axis shadow = Chart.YAxis.Calculate("");
shadow.Orientation = dotnetCHARTING.Orientation.Right;
shadow.ClearValues = true;
shadow.DefaultTick.GridLine.Color = Color.Empty;
Chart.AxisCollection.Add(shadow);

// Add a tick for each series.
for(int i = 0; i < mySC.Count; i++)
{
AxisTick myTick = new AxisTick(mySC[i].Elements[mySC[i].Elements.Count-1].YValue);
shadow.ExtraTicks.Add(myTick);
}

// Add the random data.
Chart.SeriesCollection.Add(mySC);

}

SeriesCollection getRandomData()
{
SeriesCollection SC = new SeriesCollection();
Random myR = new Random(2);
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.XValue = b-1;
e.YValue = myR.Next(50);
s.Elements.Add(e);
}
SC.Add(s);
}

return SC;
}
</script>
</head>
<body>
<div style="text-align:center">
<dotnet:Chart id="Chart" runat="server" Width="568px" Height="344px">
</dotnet:Chart>
</div>
</body>
</html>

<%@ Page Language="vb" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>.netCHARTING Sample</title>
<script runat="server">

Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)

Chart.Type = ChartType.Combo 'Horizontal;
Chart.Width = 600
Chart.Height = 350
Chart.TempDirectory = "temp"
Chart.Debug = True
Chart.DefaultSeries.Type = SeriesType.Line

' Demonstrates how to use a replica shadow axis to identify the last values of a series.

' *DYNAMIC DATA NOTE*
' This sample uses random data to populate the chart. To populate
' a chart with database data see the following resources:
' - Classic samples folder
' - Help File > Data Tutorials
' - Sample: features/DataEngine.aspx
Dim mySC As SeriesCollection = getRandomData()

' Get the x axis closer to the second axis.
Chart.XAxis.Maximum = 3

' Setup the shadow axis and add it.
Dim shadow As Axis = Chart.YAxis.Calculate("")
shadow.Orientation = dotnetCHARTING.Orientation.Right
shadow.ClearValues = True
shadow.DefaultTick.GridLine.Color = Color.Empty
Chart.AxisCollection.Add(shadow)

' Add a tick for each series.
For i As Integer = 0 To mySC.Count - 1
Dim myTick As AxisTick = New AxisTick(mySC(i).Elements(mySC(i).Elements.Count-1).YValue)
shadow.ExtraTicks.Add(myTick)
Next i

' Add the random data.
Chart.SeriesCollection.Add(mySC)

End Sub

Function getRandomData() As SeriesCollection
Dim SC As SeriesCollection = New SeriesCollection()
Dim myR As Random = New Random(2)
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.XValue = b-1
e.YValue = myR.Next(50)
s.Elements.Add(e)
Next b
SC.Add(s)
Next a

Return SC
End Function
</script>
</head>
<body>
<div style="text-align:center">
<dotnet:Chart id="Chart" runat="server" Width="568px" Height="344px">
</dotnet:Chart>
</div>
</body>
</html>

Sample FilenameAxisShadowSeriesLastValues.aspx
VersionLegacy (Pre 3.0)
Uses DatabaseNo

JS Charting

Gallery

Axis Shadow Series Last Values