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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)
' Set the chart type
Chart.Type = ChartType.Combo
' Set the size
Chart.Width = Unit.Parse(600)
Chart.Height = Unit.Parse(350)
' Set the temp directory
Chart.TempDirectory = "temp"
' Debug mode. ( Will show generated errors if any )
Chart.Debug = True
Chart.Title = "My Chart"
Chart.DefaultSeries.Type = SeriesType.Column
Chart.LegendBox.Orientation = dotnetCHARTING.Orientation.Bottom ' = false;
Chart.TitleBox.Position = TitleBoxPosition.FullWithLegend
Chart.DefaultElement.Marker.Visible = False
Chart.PaletteName = Palette.Five
Chart.ChartAreaSpacing = 8
Chart.LegendBox.Template = "%Icon%Name"
' Modify the x axis labels.
Chart.XAxis.TimeScaleLabels.Mode = TimeScaleLabelMode.Smart
Chart.XAxis.TimeScaleLabels.DayFormatString = "o"
Chart.XAxis.TimeScaleLabels.RangeIntervals.Add(TimeInterval.Month)
Chart.XAxis.TimeScaleLabels.MonthFormatString = "MMM"
' Setup the axes.
Chart.YAxis.Label.Text = "Price"
Chart.YAxis.FormatString = "Currency"
Chart.YAxis.Scale = Scale.Range
' *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 = getPriceData()
mySC(0).Type = SeriesTypeFinancial.CandleStick
Dim mySCV As SeriesCollection = getVolumeData()
' Add volume chart area.
Dim volumeArea As New ChartArea()
volumeArea.YAxis.Label.Text = "Volume"
volumeArea.SeriesCollection.Add(mySCV)
volumeArea.HeightPercentage = 25
Chart.ExtraChartAreas.Add(volumeArea)
' Add the price data.
Chart.SeriesCollection.Add(mySC)
' Create a new Aroon chart area
Dim aroonChartArea As New ChartArea()
aroonChartArea.HeightPercentage = 32
aroonChartArea.YAxis.Label.Text = "Aroon" + ControlChars.Lf + "Indicators"
Chart.ExtraChartAreas.Add(aroonChartArea)
' AroonUpOverPeriod Calculation
Dim aroonUpOverPeriod As Series = FinancialEngine.AroonUpOverPeriod(mySC(0), 5)
aroonUpOverPeriod.Name = " Aroon Up"
aroonUpOverPeriod.Type = SeriesType.Spline
aroonChartArea.SeriesCollection.Add(aroonUpOverPeriod)
' AroonDownOverPeriod Calculation
Dim aroonDownOverPeriod As Series = FinancialEngine.AroonDownOverPeriod(mySC(0), 5)
aroonDownOverPeriod.Name = " Aroon Down"
aroonDownOverPeriod.Type = SeriesType.Spline
aroonChartArea.SeriesCollection.Add(aroonDownOverPeriod)
End Sub 'Page_Load
Private Function getPriceData() As SeriesCollection
Dim SC As New SeriesCollection()
Dim myR As New Random(1)
Dim i As Integer
For i = 0 To 0
Dim s As New Series()
s.Name = "Price"
Dim startPrice As Double = 50
Dim startDT As New DateTime(2000, 1, 1)
Dim b As Integer
For b = 0 To 74
Dim e As New Element()
e.XDateTime = startDT
startDT = startDT.AddDays(1)
If myR.Next(10) > 5 Then
startPrice += myR.Next(5)
Else
startPrice -= myR.Next(3)
End If
e.Close = startPrice
If myR.Next(10) > 5 Then
e.Open = startPrice + myR.Next(6)
Else
e.Open = startPrice - myR.Next(6)
End If
If e.Open > e.Close Then
e.High = e.Open + myR.Next(6)
e.Low = e.Close - myR.Next(6)
Else
e.High = e.Close + myR.Next(6)
e.Low = e.Open - myR.Next(6)
End If
s.Elements.Add(e)
Next b
SC.Add(s)
Next i
Return SC
End Function 'getPriceData
Private Function getVolumeData() As SeriesCollection
Dim SC As New SeriesCollection()
Dim myR As New Random(1)
Dim i As Integer
For i = 0 To 0
Dim s As New Series()
s.Name = "Volume"
Dim startPrice As Double = 50
Dim startDT As New DateTime(2000, 1, 1)
Dim b As Integer
For b = 0 To 74
Dim e As New Element()
e.XDateTime = startDT
startDT = startDT.AddDays(1)
e.YValue = myR.Next(100)
s.Elements.Add(e)
Next b
SC.Add(s)
Next i
Return SC
End Function 'getVolumeData
</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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