当前文件： VisualReport/BuildChart.aspx.cs[1K，2009-6-12 11:57:57]，打开代码结构图

		            
 1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Collections;
 5using System.Web;
 6using System.Web.Security;
 7using System.Web.UI;
 8using System.Web.UI.WebControls;
 9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11using System.Drawing;
12using System.Drawing.Drawing2D;
13using System.Drawing.Imaging;
14using System.IO;
15using Report_Chart;
16//该源码下载自www.51aspx.com(５1ａｓｐｘ．ｃｏｍ)
17
18public partial class BuildChart : System.Web.UI.Page
19...{
20    static Bitmap StockBitMap;
21
22    static Color bgColor;
23
24    protected void Page_Load(object sender, EventArgs e)
25    ...{
26        Response.ContentType = "image/png";
27
28        string xValues, yValues;
29
30        xValues = Request.QueryString["xValues"];
31
32        yValues = Request.QueryString["yValues"];
33
34        bgColor = Color.FromArgb(255, 253, 244);
35
36        MemoryStream memStream = new MemoryStream();
37
38        PieChart pc = new PieChart(bgColor);
39
40        pc.CollectDataPoints(xValues.Split("|".ToCharArray()), yValues.Split("|".ToCharArray()));
41
42        StockBitMap = pc.Draw();
43
44        StockBitMap.Save(memStream, ImageFormat.Png);
45
46        memStream.WriteTo(Response.OutputStream);
47
48
49        }
50    }
51
52