📄 elementsubvaluestyling.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 = "Element SubValue Styling"
' This sample will demonstrate how to style element sub values such as error bars.
' Set a default error offset value.
Chart.DefaultElement.ErrorOffset = 5
' Default Line Styling
Chart.DefaultElement.DefaultSubValue.Line.DashStyle = DashStyle.Dash
Chart.DefaultElement.DefaultSubValue.Line.Length = 55
Chart.DefaultElement.DefaultSubValue.Line.Width = 2
Chart.DefaultElement.DefaultSubValue.Line.Color = Color.Black
' Default Marker Styling
Chart.DefaultElement.DefaultSubValue.Marker.Type = ElementMarkerType.FivePointStar
Chart.DefaultElement.DefaultSubValue.Marker.Size = 12
Chart.DefaultElement.DefaultSubValue.Marker.Color = Color.Orange
' *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)
' Specify SubValue Types
mySC(0).Elements(0).DefaultSubValue.Type = SubValueType.ErrorBar
mySC(0).Elements(1).DefaultSubValue.Type = SubValueType.Line
mySC(0).Elements(2).DefaultSubValue.Type = SubValueType.Marker
' Name the elements
mySC(0).Elements(0).Name = "ErrorBar"
mySC(0).Elements(1).Name = "Line"
mySC(0).Elements(2).Name = "Marker"
End Sub 'Page_Load
Function getRandomData() As SeriesCollection
Dim SC As New SeriesCollection()
Dim myR As New Random(2)
Dim a As Integer
For a = 0 To 0
Dim s As New Series()
s.Name = "Series " +Convert.ToString(a + 1)
Dim b As Integer
For b = 0 To 2
Dim e As New Element()
e.Name = "Element " +Convert.ToString(b + 1)
'e.YValue = -25 + myR.Next(50);
e.YValue = 20 + myR.Next(50)
s.Elements.Add(e)
Next b
SC.Add(s)
Next a
' Set Different Colors for our Series
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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