📄 axisscalesynchronization.aspx
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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.Width = Unit.Parse(600)
Chart.Height = Unit.Parse(350)
Chart.TempDirectory = "temp"
Chart.Debug = True
Chart.Title = "Synchronizing two differnt axes."
' This sample demonstrates how to synchronize two axis scales.
' The following code will synchronize the new axis with the default y axis.
Dim newAxis As New Axis()
Chart.YAxis.SynchronizeScale.Add(newAxis)
' *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()
' Change the values of elements to demonstrate ensure the axis scales would not be the same.
mySC(0)(0).YValue = 100
mySC(3)(0).YValue = - 100
' Specify the new axis for two of the series and add them to a different chart area.
mySC(2).YAxis = newAxis
mySC(3).YAxis = newAxis
Chart.ExtraChartAreas.Add(New ChartArea(New SeriesCollection(mySC(2), mySC(3))))
' Add the random data.
Chart.SeriesCollection.Add(mySC(0), mySC(1))
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 = 0 To 3
Dim s As New Series()
s.Name = "Series " +Convert.ToString(a + 1)
Dim b As Integer
For b = 0 To 3
Dim e As New Element()
e.Name = "Element " +Convert.ToString(b + 1)
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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