Gallery

Gallery > Tree Map Charts

SRCol

Demonstrates a treeMap chart with smart range colors.

Download Show C# Code Show VB Code

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

<script runat="server">

void Page_Load(Object sender, EventArgs e)
{
// Demonstrates a treeMap chart with smart range colors.

Chart.Size = "500x350";
//Chart.Title = ".netCHARTING Sample";
Chart.TempDirectory = "temp";
Chart.Debug = true;
Chart.Type = ChartType.TreeMap;
Chart.LegendBox.Orientation = dotnetCHARTING.Orientation.Bottom;
Chart.DefaultSeries.Box.Header.Label.Text = "%Name";
Chart.DefaultSeries.Box.Header.VerticalAlignment = EdgeAlignment.Outside;

// *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();

Chart.SmartPalette.Add("*",new SmartColor(Color.Yellow, Color.Red, new ScaleRange(0, 50), ElementValue.YValue));

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

SeriesCollection getRandomData()
{
Random myR = new Random(1);
SeriesCollection SC = new SeriesCollection();
for (int a = 1; a < 4; a++)
{
Series s = new Series("Series " + a.ToString());
for (int b = 1; b < 25; 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(ConfigurationManager.AppSettings["DNCConnectionString"]);
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" %>

<script runat="server">

Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
' Demonstrates a treeMap chart with smart range colors.

Chart.Size = "500x350"
'Chart.Title = ".netCHARTING Sample";
Chart.TempDirectory = "temp"
Chart.Debug = True
Chart.Type = ChartType.TreeMap
Chart.LegendBox.Orientation = dotnetCHARTING.Orientation.Bottom
Chart.DefaultSeries.Box.Header.Label.Text = "%Name"
Chart.DefaultSeries.Box.Header.VerticalAlignment = EdgeAlignment.Outside

' *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()

Chart.SmartPalette.Add("*",New SmartColor(Color.Yellow, Color.Red, New ScaleRange(0, 50), ElementValue.YValue))

' 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 3
Dim s As Series = New Series("Series " & a.ToString())
For b As Integer = 1 To 24
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(ConfigurationManager.AppSettings("DNCConnectionString"))
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 FilenameGallery/O20.aspx
Version6.1
Uses DatabaseNo

JS Charting

Gallery

SRCol