asp.net制作图形：使用amcharts(.net版)实现图形报表(2)

时间:2009-12-21 11:47来源:未知作者:admin 点击: 次

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柱型图 cc1:ColumnChart runat="server" ID="ColumnChart1"/cc1:ColumnChart 后台代码 Code protected void Page_Load(object sender, EventArgs e) { DataSet ds = new DataSet("column"); DataTable dt = n

柱型图
<cc1:ColumnChart runat="server" ID="ColumnChart1"></cc1:ColumnChart>
后台代码
Code
        protected void Page_Load(object sender, EventArgs e)
        {
            DataSet ds = new DataSet("column");
            DataTable dt = new DataTable("columnTable");
            DataColumn dc_y = new DataColumn("year");
            DataColumn dc_v = new DataColumn("val");

DataColumn dc_v1 = new DataColumn("val1");

            dt.Columns.Add(dc_y);
            dt.Columns.Add(dc_v);
            dt.Columns.Add(dc_v1);
            Random rd = new Random();
            for (int i = 2000; i < 2010; i++)
            {
                DataRow dr = dt.NewRow();
                dr[dc_y] = i.ToString();
                dr[dc_v] = (rd.NextDouble() * i).ToString();
                dr[dc_v1] = (rd.NextDouble() * (i + i / 3)).ToString();
                dt.Rows.Add(dr);
            }
            ds.Tables.Add(dt);

            //立体感觉深度
            ColumnChart1.Depth = 10;
            //动态升长时间
            ColumnChart1.ColumnGrowTime = 5;
            ColumnChart1.Width = new Unit(600);
            ColumnChart1.Height = new Unit(500);
            ColumnChart1.PlotAreaBackgroundColor = Color.Yellow;

            ColumnChart1.ChartDirectory = "~/amcharts/amcolumn/";
            //柱型1
            ColumnChartGraph ccg = new ColumnChartGraph();
            ccg.DataSource = ds;
            ccg.DataSeriesItemIDField = "year";
            ccg.Title = "测试";
            ccg.DataValueField = "val";
            //形状,可以是柱型,也可以是线型
            ccg.GraphType = ColumnChartGraphTypes.Column;
            ColumnChart1.Graphs.Add(ccg);

            ColumnChartGraph ccg1 = new ColumnChartGraph();
            ccg1.DataSource = ds;
            ccg1.DataSeriesItemIDField = "year";
            ccg1.Title = "测试1";
            ccg1.DataValueField = "val1";
            ccg1.GraphType = ColumnChartGraphTypes.Column;
            ColumnChart1.Graphs.Add(ccg1);

            //设置上面显示的文字格式
            ColumnChart1.ColumnDataLabelFormatString = "{value}";
            ColumnChart1.LineBalloonTextFormatString = "{value}";

            ColumnChart1.DataSource = ds;
            ColumnChart1.DataSeriesIDField = "year";
            ColumnChart1.DataBind();
        }
线型图
<cc1:LineChart runat="server" ID="LineChart1"></cc1:LineChart>
后台
Code
        protected void Page_Load(object sender, EventArgs e)
        {
            //自己添加一个数据
            DataSet ds = new DataSet("Line");
            DataTable dt = new DataTable("LineTable");
            DataColumn dc_y = new DataColumn("year");
            DataColumn dc_v = new DataColumn("val");

DataColumn dc_v1 = new DataColumn("val1");

            dt.Columns.Add(dc_y);
            dt.Columns.Add(dc_v);
            dt.Columns.Add(dc_v1);
            Random rd = new Random();
            for (int i = 1987; i < 2010; i++)
            {
                DataRow dr = dt.NewRow();
                dr[dc_y] = i.ToString();
                dr[dc_v] = (rd.NextDouble() * i).ToString();
                dr[dc_v1] = (rd.NextDouble() * (i + i / 3)).ToString();
                dt.Rows.Add(dr);
            }
            ds.Tables.Add(dt);

            //设置图形的长高
            LineChart1.Width = new Unit(600);
            LineChart1.Height = new Unit(400);

            //添加一个线条
            LineChartGraph lcg = new LineChartGraph();
            //这里是线条峰点的形状(正方形):实心圆,空心圆.
            lcg.Bullet = LineChartBulletTypes.Square;
            //这里是线条的颜色
            //lcg.BulletColor = Color.Yellow;
            //向下面积的颜色
            lcg.FillColor = Color.Yellow;
            //向下面积的透明度
            lcg.FillAlpha = Convert.ToByte(40);
            //Y轴值在右边(默认在左边)
            lcg.Axis = LineChartAxes.Right;

            lcg.DataSource = ds;
            lcg.DataSeriesItemIDField = "year";
            lcg.DataValueField = "val";
            lcg.Title = "测试1";
            LineChart1.Graphs.Add(lcg);

            //添加第二个线条
            LineChartGraph lcg1 = new LineChartGraph();
            lcg1.Bullet = LineChartBulletTypes.RoundOutline;

            lcg1.DataSource = ds;
            lcg1.DataSeriesItemIDField = "year";
            lcg1.DataValueField = "val1";
            lcg1.Title = "测试2";
            LineChart1.Graphs.Add(lcg1);

            LineChart1.DataSource = ds;
            LineChart1.DataSeriesIDField = "year";
            LineChart1.DataBind();

}
代码下载
http://files.cnblogs.com/liuju150/amCharts.rar