📄 gaugemarkers.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.Gauges
Chart.Width = Unit.Parse(600)
Chart.Height = Unit.Parse(350)
Chart.TempDirectory = "temp"
Chart.Debug = True
' This sample will demonstrate how to use axis markers on gauge axes.
' First create a series. 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 s As New Series("RPM", New Element("e1", 210))
' Create an axis marker.
Dim am1 As New AxisMarker("Danger", New Background(Color.Red), 225, 275)
' Create a background
Dim bg As New Background(Color.Orange)
bg.HatchStyle = HatchStyle.LightUpwardDiagonal
bg.HatchColor = Color.White
' Create another axis marker.
Dim am2 As New AxisMarker("Warning", bg, 200, 225)
' Add the markers to the main y axis.
Chart.YAxis.Markers.Add(am2)
Chart.YAxis.Markers.Add(am1)
Chart.YAxis.Interval = 25
Chart.YAxis.Maximum = 250
' Add the random data.
Chart.SeriesCollection.Add(s)
End Sub 'Page_Load
</script>
</HEAD>
<BODY>
<DIV align="center">
<dotnet:Chart id="Chart" runat="server" Width="568px" Height="344px">
</dotnet:Chart>
</DIV>
</BODY>
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