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<%@ Import Namespace="System.Drawing" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Page Language="VB" Debug="true" Description="dotnetCHARTING Component" %>
<HTML>
<HEAD>
<TITLE>Save Legend Image</TITLE>
<script runat="server">
Function getRandomData() As SeriesCollection
Dim SC As New SeriesCollection()
Dim myR As New Random()
Dim a As Integer
For a = 1 To 4
Dim s As New Series()
s.Name = "Series " + a.ToString()
Dim b As Integer
For b = 1 To 4
Dim e As New Element()
e.Name = "Element " + b.ToString()
'e.YValue = -25 + myR.Next(50);
e.YValue = myR.Next(50)
s.Elements.Add(e)
Next b
SC.Add(s)
Next a
' 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
End Function 'getRandomData
Sub Page_Load(sender As [Object], e As EventArgs)
Dim Chart As New dotnetCHARTING.Chart()
Chart.Type = ChartType.Combo 'Horizontal;
Chart.Width = Unit.Parse(600)
Chart.Height = Unit.Parse(350)
Chart.TempDirectory = "temp"
Chart.LegendBox.Position = LegendBoxPosition.BottomMiddle
Chart.DefaultSeries.DefaultElement.ToolTip = "%yvalue"
Chart.LegendBox.Template = "%icon %name"
'Chart.DefaultSeries.LegendEntry.URL="%Xvalue,%Yvalue";
Chart.DefaultSeries.LegendEntry.ToolTip = "Total %name: %YSum"
' Add the random data.
Chart.SeriesCollection.Add(getRandomData())
' Save the legend as a separate image file
ImageLegend.ImageUrl = Chart.FileManager.SaveImage(Chart.GetLegendBitmap())
ImageLegend.Attributes.Add("usemap", Chart.ImageMapName)
ImageLegendMapLabel.Text = Chart.ImageMapText
' Remove the legend from the chart and save the chart as a separate image file
Chart.LegendBox.Position = LegendBoxPosition.None
ImageChart.ImageUrl = Chart.FileManager.SaveImage(Chart.GetChartBitmap())
ImageChart.Attributes.Add("usemap", Chart.ImageMapName)
ImageMapLabel.Text = Chart.ImageMapText
End Sub 'Page_Load
</script>
</HEAD>
<BODY>
<font size="2" face="Arial">This chart image can be placed freely in your page
and treated as a regular image file with image map setting option:<br>
<asp:Image id="ImageChart" runat="server"/>
<asp:Label id="ImageMapLabel" runat="server"/><br><br>
<br><br>
The legend below is a separate image file which can be independently placed in
the page with image map setting option.<br><br></font>
<table border="0" style="border-collapse: collapse" id="table1" cellpadding="4">
<tr>
<td><asp:Image id="ImageLegend" runat="server"/>
<asp:Label id="ImageLegendMapLabel" runat="server"/></td>
<td> </td>
</tr>
</table>
<p> </p>
</BODY>
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