📄 axislogbases.aspx
字号:
<%@ 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.TempDirectory = "temp"
Chart.Debug = true
Chart2.TempDirectory = "temp"
Chart2.Debug = true
Chart3.TempDirectory = "temp"
Chart3.Debug = true
Chart.Title = "Logarithmic Base: 2"
Chart2.Title = "Logarithmic Base: 5"
Chart3.Title = "Logarithmic Base: 10"
' This sample will demonstrate using log scales with different logarithmic bases.
' 1. SET SCALE TO LOGARITHMIC
Chart.YAxis.Scale = Scale.Logarithmic
Chart2.YAxis.Scale = Scale.Logarithmic
Chart3.YAxis.Scale = Scale.Logarithmic
' 2. SET LOG BASES
Chart.YAxis.LogarithmicBase = 2
Chart2.YAxis.LogarithmicBase = 5
Chart3.YAxis.LogarithmicBase = 10
' 3. ADD DATA
' *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
Chart.SeriesCollection.Add(getRandomData())
Chart2.SeriesCollection.Add(getRandomData())
Chart3.SeriesCollection.Add(getRandomData())
End Sub
Function getRandomData() As SeriesCollection
Dim SC As SeriesCollection = new SeriesCollection()
Dim myR as Random = new Random()
Dim a,b As Integer
Dim s As Series
Dim e As Element
For a = 0 To 0
s = new Series()
s.Name = "Series " & a
For b = 0 To 3
e = new Element()
e.Name = "Element " & b
e.YValue = myR.Next(50)
'e.XValue = b*2
s.Elements.Add(e)
Next b
SC.Add(s)
Next a
return SC
End Function
</script>
</HEAD>
<BODY>
<DIV align="center">
<dotnet:Chart id="Chart" runat="server" Width="568px" Height="344px">
</dotnet:Chart>
<dotnet:Chart id="Chart2" runat="server" Width="568px" Height="344px">
</dotnet:Chart>
<dotnet:Chart id="Chart3" runat="server" Width="568px" Height="344px">
</dotnet:Chart>
</DIV>
</BODY>
</HTML>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -