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Pie Shading

Demonstrates using shading effects and a background box with a pie chart.

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<%@ Page Language="C#" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dnc" 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 using shading effects and a background box with a pie chart.

// Setup the chart.
Chart.Type = ChartType.Pies;
Chart.Size = "480x350";
Chart.TempDirectory = "temp";
Chart.ShadingEffectMode = ShadingEffectMode.Four;
Chart.Debug = true;
Chart.PaletteName = Palette.Four;

//Modify the legendbox
Chart.LegendBox.ClearColors();
Chart.LegendBox.Position = LegendBoxPosition.Middle;

// Set the chart background box
Chart.Box.Background.Color = Color.BlanchedAlmond;
Chart.Box.Background.ShadingEffectMode = ShadingEffectMode.Background1;
Chart.Box.DefaultCorner = BoxCorner.Round;
Chart.Box.CornerSize = 15;

// Clear the chart area.
Chart.ChartArea.ClearColors();
Chart.ChartArea.Padding = 24;

// *DYNAMIC DATA NOTE*
// This sample uses random data to populate the chart. To populate
// a chart with database data see the following resources:
// - Use the getLiveData() method using the dataEngine to query a database.
// - Help File > Getting Started > Data Tutorials
// - DataEngine Class in the help file
// - Sample: features/DataEngine.aspx

SeriesCollection mySC = getRandomData();

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

SeriesCollection getRandomData()
{
Random myR = new Random(3);
SeriesCollection SC = new SeriesCollection();
for (int a = 1; a < 2; a++)
{
Series s = new Series();
for (int b = 1; b < 7; 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">
<dnc:Chart ID="Chart" runat="server" />
</div>
</body>
</html>

<%@ Page Language="vb" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dnc" 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 using shading effects and a background box with a pie chart.

' Setup the chart.
Chart.Type = ChartType.Pies
Chart.Size = "480x350"
Chart.TempDirectory = "temp"
Chart.ShadingEffectMode = ShadingEffectMode.Four
Chart.Debug = True
Chart.PaletteName = Palette.Four

'Modify the legendbox
Chart.LegendBox.ClearColors()
Chart.LegendBox.Position = LegendBoxPosition.Middle

' Set the chart background box
Chart.Box.Background.Color = Color.BlanchedAlmond
Chart.Box.Background.ShadingEffectMode = ShadingEffectMode.Background1
Chart.Box.DefaultCorner = BoxCorner.Round
Chart.Box.CornerSize = 15

' Clear the chart area.
Chart.ChartArea.ClearColors()
Chart.ChartArea.Padding = 24

' *DYNAMIC DATA NOTE*
' This sample uses random data to populate the chart. To populate
' a chart with database data see the following resources:
' - Use the getLiveData() method using the dataEngine to query a database.
' - Help File > Getting Started > Data Tutorials
' - DataEngine Class in the help file
' - Sample: features/DataEngine.aspx

Dim mySC As SeriesCollection = getRandomData()

' 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()
For a As Integer = 1 To 1
Dim s As Series = New Series()
For b As Integer = 1 To 6
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">
<dnc:Chart ID="Chart" runat="server" />
</div>
</body>
</html>

Sample FilenamePieShading.aspx
Version5.3
Uses DatabaseNo

JS Charting

Gallery

Pie Shading