📄 hatchstylepalette.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
Chart.Size = "600X350"
Chart.TempDirectory = "temp"
Chart.Debug = True
' This sample will demonstrate how to use hatch palettes.
' First we get our data, if you would like to get the data from a database you need to use
' the data engine. See sample: features/dataEngine.aspx. Or the dataEngine tutorial in the help file.
Dim mySC As SeriesCollection = getRandomData()
' Set a default hatch palette name
Chart.HatchStylePaletteName = HatchStylePalette.One
' Palette.One, Two, and Three are available for hatch styles.
' Hatch color must be selected.
Chart.DefaultSeries.DefaultElement.HatchColor = Color.Black
' Set the hatch palette name for a series which will give each element it's own hatch.
mySC(1).HatchStylePaletteName = HatchStylePalette.Two
' Giving the series a color palette name will place each element into the legend box.
mySC(1).PaletteName = Palette.One
' Add the random data.
Chart.SeriesCollection.Add(mySC)
End Sub 'Page_Load
Function getRandomData() As SeriesCollection
Dim SC As New SeriesCollection()
Dim myR As New Random()
Dim a As Integer
For a = 1 To 2
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 = -25 + myR.Next(50);
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>
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