Gallery
Legend Box Element
<%@ 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">
Color [] palette = ChartPalettes.GetPalette(Palette.Default);
void Page_Load(Object sender,EventArgs e)
{
Chart.Type = ChartType.Combo;//Horizontal;
Chart.Width = 600;
Chart.Height = 350;
Chart.TempDirectory = "temp";
Chart.Debug = true;
// Demonstrates how to use a legend box to refer to particular elements.
// *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();
// First we make the marker appear on the column and set larger size.
mySC[3].Elements[1].ForceMarker = true;
mySC[3].Elements[1].Marker.Size = 10;
// Initialize the new legend box and make it only show the marker and name.
LegendBox newLegend = new LegendBox();
newLegend.Template = "%Icon%Name";
// Initialize the new legend entry.
LegendEntry newEntry = new LegendEntry();
newEntry.Name = "Important \nElement";
// Setup the marker for the legend entry
newEntry.Marker.Type = ElementMarkerType.FivePointStar;
newEntry.Marker.Size = 10;
newEntry.SeriesType = SeriesType.Marker;
// Ensure the same color is used for the marker as the element.
newEntry.Marker.Color = palette[3];
// Add the entry to the legend and the legend to the chart.
newLegend.ExtraEntries.Add(newEntry);
Chart.ExtraLegendBoxes.Add(newLegend);
// Add the random data.
Chart.SeriesCollection.Add(mySC);
}
SeriesCollection getRandomData()
{
SeriesCollection SC = new SeriesCollection();
Random myR = new Random();
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.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">
Dim palette As Color() = ChartPalettes.GetPalette(dotnetCHARTING.Palette.Default)
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
' Demonstrates how to use a legend box to refer to particular elements.
' *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()
' First we make the marker appear on the column and set larger size.
mySC(3).Elements(1).ForceMarker = True
mySC(3).Elements(1).Marker.Size = 10
' Initialize the new legend box and make it only show the marker and name.
Dim newLegend As LegendBox = New LegendBox()
newLegend.Template = "%Icon%Name"
' Initialize the new legend entry.
Dim newEntry As LegendEntry = New LegendEntry()
newEntry.Name = "Important " & Constants.vbLf & "Element"
' Setup the marker for the legend entry
newEntry.Marker.Type = ElementMarkerType.FivePointStar
newEntry.Marker.Size = 10
newEntry.SeriesType = SeriesType.Marker
' Ensure the same color is used for the marker as the element.
newEntry.Marker.Color = palette(3)
' Add the entry to the legend and the legend to the chart.
newLegend.ExtraEntries.Add(newEntry)
Chart.ExtraLegendBoxes.Add(newLegend)
' 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()
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.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 FilenameLegendBoxElement.aspx
- VersionLegacy (Pre 3.0)
- Uses DatabaseNo