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<%@ Page Language="VB" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<HTML>
<HEAD>
<TITLE>.netCHARTING Sample</TITLE>
<script runat="server">
Sub Page_Load(sender As [Object], e As EventArgs)
Chart.Type = ChartType.Combo
Chart.Size = "700x350"
Chart.TempDirectory = "temp"
Chart.FileName = "SaveState"
Chart.Debug = True
Chart.Title = ".netCHARTING Sample"
' This sample demonstrates how to save a chart object to an xml file.
Chart.ChartArea.Label.Text = "This chart is saved to an xml file 'myChart.xml'" + ControlChars.Lf + " and is loaded in sample" + ControlChars.Lf + " LoadState.aspx"
Dim an As New Annotation("Go to the sample that loads the myChart.xml file")
an.URL = "LoadState.aspx"
an.Label.Color = Color.Blue
an.Label.Font = New Font("Arial", 8, FontStyle.Underline)
an.Position = New PointF(590, 130)
Chart.Annotations.Add(an)
' *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()
' Add the random data.
Chart.SeriesCollection.Add(mySC)
' Save the chart in myChart.xml in the temp directory.
Chart.SaveState("temp/myChart.xml")
End Sub 'Page_Load
Function getRandomData() As SeriesCollection
Dim SC As New SeriesCollection()
Dim myR As New Random(1)
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 = 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
</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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