📄 legendboxelement.aspx
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<%@ Page Language="C#" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<HTML>
<HEAD>
<TITLE>.netCHARTING Sample</TITLE>
<script runat="server">
void Page_Load(Object sender,EventArgs e)
{
Chart.Type = ChartType.Combo;//Horizontal;
Chart.Width = 600;
Chart.Height = 350;
Chart.TempDirectory = "temp";
Chart.Debug = true;
// This sample will demonstrate 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 = Chart.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 = 0; a < 4; a++)
{
Series s = new Series();
s.Name = "Series " + a;
for(int b = 0; b < 4; b++)
{
Element e = new Element();
e.Name = "Element " + b;
//e.YValue = -25 + myR.Next(50);
e.YValue = myR.Next(50);
s.Elements.Add(e);
}
SC.Add(s);
}
return SC;
}
</script>
</HEAD>
<BODY>
<DIV align="center">
<dotnet:Chart id="Chart" runat="server" Width="568px" Height="344px">
</dotnet:Chart>
</DIV>
</BODY>
</HTML>
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