asp.net 用dotnetcharting控件生成柱形图、饼形图、折线趋势图

基本信息

源码名称：asp.net 用dotnetcharting控件生成柱形图、饼形图、折线趋势图

源码大小：0.20M

文件格式：.rar

开发语言：C#

更新时间：2013-05-08

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源码介绍

实例中的dotnetCHARTING.dll 文件即是 dotnetcharting控件，饼形图、柱形图等详见核心代码部分

这是官方网址： http://www.dotnetcharting.com/

2d柱形图

3d饼形图

曲线走势图

<%@ Page Language="C#" Description="dotnetCHARTING Component"%>
<%@ Register TagPrefix="dotnet"  Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>


<script runat="server">

SeriesCollection getRandomData()
{
 SeriesCollection SC = new SeriesCollection();
 Random myR = new Random();
 for(int a = 0; a < 4; a  )
 {
  Series s = new Series();
  s.Name = "Series "   a;
  for(int b = 0; b < 5; b  )
  {
   Element e = new Element();
   e.Name = "E "   b;
   e.YValue = myR.Next(50);
   s.Elements.Add(e);
  }
  SC.Add(s);
 }

 // Set Different Colors for our Series
 SC[0].DefaultElement.Color = Color.FromArgb(49,255,49);
 SC[1].DefaultElement.Color = Color.FromArgb(255,255,0);
 SC[2].DefaultElement.Color = Color.FromArgb(255,99,49);
 SC[3].DefaultElement.Color = Color.FromArgb(0,156,255);
 return SC;
}


void Page_Load(Object sender,EventArgs e)
{
 // Set the title.
 Chart.Title="My Chart";


 // Set the x axis label
 Chart.ChartArea.XAxis.Label.Text="X Axis Label";

 // Set the y axis label
 Chart.ChartArea.YAxis.Label.Text="Y Axis Label";

 // Set the directory where the images will be stored.
 Chart.TempDirectory="temp";

 // Set the bar shading effect
 Chart.ShadingEffect = true;

 // Set he chart size.
 Chart.Width = 600;
 Chart.Height = 350;

 // Add the random data.
 Chart.SeriesCollection.Add(getRandomData());
    
    
}
</script>
<HTML><HEAD><TITLE>Gallery Sample</TITLE></HEAD>
<BODY>
<DIV align=center>
 <dotnet:Chart id="Chart"  runat="server"/>
</DIV>
</BODY>
</BODY>
</HTML>