[求助]C#动态生成柱形图、饼图统计图的源码 - 编程论坛

#2

zfqsdsy2009-12-23 21:13

就是选择数据库中的数据，或执行查询操作后，根据查询数据生成统计图！！

#3

aspic2009-12-24 09:57

http://www.baidu.com/s?wd=.net%B1%FD%CD%BC

#4

zfqsdsy2009-12-25 07:56

谢谢斑竹，我也百度过，可是找了很多都没效果，急啊！！

#5

xiaobin90152010-01-18 22:14

for (int i = 1; i < 15; i++)
        {
            drawcolumn cloumu = new drawcolumn();
            cloumu.LineColor = System.Drawing.Pens.Red;
            cloumu.Text = i.ToString();
             if (i % 2 == 0)
            cloumu.ViewColor = Brushes.Red;
            else
            cloumu.ViewColor = Brushes.Blue;
            Random r = new Random();
            System.Threading.Thread.Sleep(50);
            cloumu.Viewpercent = ((float)r.Next(100) / 100);
            WebMyDraw1.Columns.Add(cloumu);
        }

        for (int i =1; i < 9; i++)
        {
            drawRow dr = new drawRow();
            dr.Text = Convert.ToString(i * 100);
            WebMyDraw1.Rows.Add(dr);
        }
/////柱形

#6

xiaobin90152010-01-18 22:15

        Mydrawing.Mydraw dr = new Mydraw();
        Bitmap bm = dr.drawpie(300, 300);
        Brush[] b = new Brush[] { Brushes.DarkBlue,Brushes.Pink,Brushes.SeaGreen,Brushes.Red,Brushes.Firebrick,Brushes.Gainsboro};
        float[] f = new float[] { (float)0.12, (float)0.24, (float)0.22, (float)0.19 ,(float)0.11,(float)0.12};
        String [] s=new string[]{"1月","2月","3月","4月","5月","6月"};
        dr.fillPic(bm, f, b, s);
        bm.Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
//////圆形

#7

xianfajushi2010-01-27 20:25

0

#8

yms1232010-01-28 10:47

记得有一个叫做水晶报表的控件也有.NET版本吧？那个控件是专门用来生成各种统计图表的。