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Gallery > Gauge Type Tweaks

Image Bar Gauge

Demonstrates using ImageBars with a horizontal gauge.

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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 using ImageBars with a horizontal gauge.

Chart.TempDirectory = "temp";
Chart.Debug = true;

Chart.Type = ChartType.Gauges;
Chart.DefaultSeries.GaugeType = GaugeType.Horizontal;
Chart.DefaultSeries.Type = SeriesType.BarSegmented;
Chart.DefaultSeries.GaugeBorderBox.Background.Color = Color.White;
Chart.LegendBox.Visible = false;
Chart.Size = "250x60";
Chart.Margin = "0";
Chart.ChartArea.Padding = 2;
Chart.ShadingEffectMode = ShadingEffectMode.Three;
Chart.ChartArea.ClearColors();

// *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

SeriesCollection mySC = getRandomData();

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

mySC[0].GaugeBorderBox.Position = new Size(230, 45);
mySC[0].ImageBarTemplate = "../../Images/ImageBarTemplates/star";
Chart.DefaultAxis.TickLabelPadding = 0;
Chart.DefaultBox.Padding = 2;
}

SeriesCollection getRandomData()
{
Random myR = new Random(2);
SeriesCollection SC = new SeriesCollection();
int a = 0;
int b = 0;
for (a = 1; a < 2; a++)
{
Series s = new Series("");
for (b = 1; b < 2; 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 using ImageBars with a horizontal gauge.

Chart.TempDirectory = "temp"
Chart.Debug = True

Chart.Type = ChartType.Gauges
Chart.DefaultSeries.GaugeType = GaugeType.Horizontal
Chart.DefaultSeries.Type = SeriesType.BarSegmented
Chart.DefaultSeries.GaugeBorderBox.Background.Color = Color.White
Chart.LegendBox.Visible = False
Chart.Size = "250x60"
Chart.Margin = "0"
Chart.ChartArea.Padding = 2
Chart.ShadingEffectMode = ShadingEffectMode.Three
Chart.ChartArea.ClearColors()

' *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()

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

mySC(0).GaugeBorderBox.Position = New Size(230, 45)
mySC(0).ImageBarTemplate = "../../Images/ImageBarTemplates/star"
Chart.DefaultAxis.TickLabelPadding = 0
Chart.DefaultBox.Padding = 2
End Sub

Function getRandomData() As SeriesCollection
Dim myR As Random = New Random(2)
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 1
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 FilenameImageBarGauge.aspx
Version4.4
Uses DatabaseNo

JS Charting

Gallery

Image Bar Gauge