Gallery
Annotation Link
<%@ 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>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;
// 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(40,30);
// 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);
}
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>Annotation Link</title>
<script runat="server">
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.ShadingEffect=True
' Demonstrates how you can place links anywhere on the chart using annotations.
' First we'll instantiate our annotation.
Dim a As Annotation = 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(40,30)
' 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())
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 = -25 + myR.Next(50);
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 FilenameAnnotationLink.aspx
- Version5.0
- Uses DatabaseNo