📄 chartareacustomlayout.aspx
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<%@ Page Language="VB" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<HTML>
<HEAD>
<TITLE>.netCHARTING Sample</TITLE>
<script runat="server">
Sub Page_Load(sender As [Object], e As EventArgs)
Chart.Type = ChartType.Combo 'Horizontal;
Chart.Width = Unit.Parse(500)
Chart.Height = Unit.Parse(350)
Chart.TempDirectory = "temp"
Chart.Debug = True
' This sample will demonstrate how grid positions can be specified for multiple chart areas.
' *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()
' First we create a new chart area and add it.
Dim ca1 As New ChartArea()
Chart.ExtraChartAreas.Add(ca1)
' In order to use grid positions the custom layout mode must be specified.
Chart.ChartAreaLayout.Mode = ChartAreaLayoutMode.Custom
' The main chart area will be in position 0,0 (this is the default position)
Chart.ChartArea.GridPosition = New Point(0, 0)
' The second chart area's position will be 1,1
ca1.GridPosition = New Point(1, 1)
' Add the random a series each the custom chart area and main chart area.
ca1.SeriesCollection.Add(mySC(0))
Chart.SeriesCollection.Add(mySC(1))
End Sub 'Page_Load
Function getRandomData() As SeriesCollection
Dim SC As New SeriesCollection()
Dim myR As New Random()
Dim a As Integer
For a = 0 To 1
Dim s As New Series()
s.Name = "Series " & a
Dim b As Integer
For b = 0 To 3
Dim e As New Element()
e.Name = "Element " & b
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)
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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