📄 annotationlink.aspx
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<%@ Page Language="C#" debug="true" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<HTML>
<HEAD>
<TITLE>Annotation Link</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.ShadingEffect=true;
// This sample demonstrates how you can place links anywhere on the chart using annotations.
// First we'll instantiate our annotation.
Annotation a = new Annotation();
// Because we just want a text link we'll get rid of the box. You can comment this line out to see what the box looks like.
a.ClearColors();
// Set the link text
a.Label.Text = ".netCHARTING Website";
// In order to make it look like a link we'll make it blue and underlined.
a.Label.Color = Color.Blue;
a.Label.Font = new Font("Arial",8,FontStyle.Underline);
// Set the url for our link.
a.URL = "http://www.dotnetcharting.com";
// We set a point where the annotation appears
a.Position = new Point(50,30);
// By default, the annotation will create a rectangle for the text. In order to place the text on one line we'll
// set the dynamic size property to false.
a.DynamicSize = false;
// Add the annotation to our chart.
Chart.Annotations.Add(a);
// Add the random data.
Chart.SeriesCollection.Add(getRandomData());
}
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 = -25 + myR.Next(50);
e.YValue = myR.Next(50);
s.Elements.Add(e);
}
SC.Add(s);
}
// Set Different Colors for our Series
SC[0].DefaultElement.Color = Color.FromArgb(49,255,49);
SC[1].DefaultElement.Color = Color.FromArgb(255,255,0);
SC[2].DefaultElement.Color = Color.FromArgb(255,99,49);
SC[3].DefaultElement.Color = Color.FromArgb(0,156,255);
return SC;
}
</script>
</HEAD>
<BODY>
<DIV align="center">
<dotnet:Chart id="Chart" runat="server" Width="568px" Height="344px">
</dotnet:Chart>
</DIV>
</BODY>
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