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Pie Chart Complex Label

Demonstrates a dynamic image generated by the chart embedded in labels.

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<%@ Page Language="C#" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<%@ Import Namespace="dotnetCHARTING.Mapping" %>

<script runat="server">

void Page_Load(Object sender, EventArgs e)
{
// Demonstrates a dynamic image generated by the chart embedded in labels.

Chart.TempDirectory = "temp";
Chart.Debug = true;
Chart.PaletteName = Palette.Three;
Chart.Type = ChartType.Pies;
Chart.Size = "650x450";
Chart.Use3D = true;

Chart.DefaultElement.ExplodeSlice = true;
Chart.ExplodedSliceAmount = 5;

Chart.DefaultElement.ShowValue = true;
Chart.PieLabelMode = PieLabelMode.Outside;
Chart.LegendBox.Visible = false;
Chart.DefaultElement.SmartLabel.Font = new Font("Arial", 11);

Chart.DefaultElement.ToolTip = "%Color";

Chart.DefaultElement.SmartLabel.Text = "<img:PieChartComplexLabelStream.aspx?color=%color><block vAlign='center'>%Name<br>%PercentOfTotal - %YValue";

SeriesCollection mySC = getRandomData();
int i = 0;
foreach(Element el in mySC[0].Elements)
{
if (i > 4)
el.SmartLabel.Text = "<block vAlign='center'>%Name<br>%PercentOfTotal - %YValue<img:PieChartComplexLabelStream.aspx?color=%color>";
i++;
}

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

SeriesCollection getRandomData()
{
Random myR = new Random(3);
SeriesCollection SC = new SeriesCollection();
int a = 0;
int b = 0;
for (a = 1; a < 2; a++)
{
Series s = new Series();
for (b = 1; b < 11; b++)
{
Element e = new Element("Element " + b.ToString());
e.YValue = myR.Next(50);
s.Elements.Add(e);
}
SC.Add(s);
}
return SC;
}

SeriesCollection getLiveData()
{
DataEngine de = new DataEngine("ConnectionString goes here");
de.ChartObject = Chart; // Necessary to view any errors the dataEngine may throw.
de.SqlStatement = "SELECT XAxisColumn, YAxisColumn FROM ....";
return de.GetSeries();
}

</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>.netCHARTING Sample</title>
</head>
<body>
<div align="center">
<dotnet:Chart ID="Chart" runat="server" />
</div>
</body>
</html>

<%@ Page Language="vb" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<%@ Import Namespace="dotnetCHARTING.Mapping" %>

<script runat="server">

Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
' Demonstrates a dynamic image generated by the chart embedded in labels.

Chart.TempDirectory = "temp"
Chart.Debug = True
Chart.PaletteName = Palette.Three
Chart.Type = ChartType.Pies
Chart.Size = "650x450"
Chart.Use3D = True

Chart.DefaultElement.ExplodeSlice = True
Chart.ExplodedSliceAmount = 5

Chart.DefaultElement.ShowValue = True
Chart.PieLabelMode = PieLabelMode.Outside
Chart.LegendBox.Visible = False
Chart.DefaultElement.SmartLabel.Font = New Font("Arial", 11)

Chart.DefaultElement.ToolTip = "%Color"

Chart.DefaultElement.SmartLabel.Text = "<img:PieChartComplexLabelStream.aspx?color=%color><block vAlign='center'>%Name<br>%PercentOfTotal - %YValue"

Dim mySC As SeriesCollection = getRandomData()
Dim i As Integer = 0
For Each el As Element In mySC(0).Elements
If i > 4 Then
el.SmartLabel.Text = "<block vAlign='center'>%Name<br>%PercentOfTotal - %YValue<img:PieChartComplexLabelStream.aspx?color=%color>"
End If
i += 1
Next el

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

Function getRandomData() As SeriesCollection
Dim myR As Random = New Random(3)
Dim SC As SeriesCollection = New SeriesCollection()
Dim a As Integer = 0
Dim b As Integer = 0
For a = 1 To 1
Dim s As Series = New Series()
For b = 1 To 10
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

Function getLiveData() As SeriesCollection
Dim de As DataEngine = New DataEngine("ConnectionString goes here")
de.ChartObject = Chart ' Necessary to view any errors the dataEngine may throw.
de.SqlStatement = "SELECT XAxisColumn, YAxisColumn FROM ...."
Return de.GetSeries()
End Function

</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>.netCHARTING Sample</title>
</head>
<body>
<div align="center">
<dotnet:Chart ID="Chart" runat="server" />
</div>
</body>
</html>

Sample FilenamePieChartComplexLabel.aspx
Version5.1
Uses DatabaseNo

JS Charting

Gallery

Pie Chart Complex Label