WebChart 柱状图源码

来源：互联网发布：百度seo管培生编辑：程序博客网时间：2024/05/21 08:38

<%@ Page Language="C#" %>
<%@ Register TagPrefix="web" Namespace="WebChart" Assembly="WebChart" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Drawing" %> <script runat="server">

    void Page_Load(object o, EventArgs e) {
        CreateChart();
    }

    void CreateChart() {
        DataSet ds = CreateDataSet();

        StackedColumnChart chart = new StackedColumnChart();
        chart.Fill.Color = Color.FromArgb(50, Color.Red);
        chart.Shadow.Visible = true;
        chart.MaxColumnWidth = 15;
        chart.Legend = "Pri 0";

        StackedColumnChart chart1 = new StackedColumnChart();
        chart1.Fill.Color = Color.FromArgb(50, Color.Yellow);
        chart1.Shadow.Visible = true;
        chart1.Legend = "Pri 1";

        StackedColumnChart chart2 = new StackedColumnChart();
        chart2.Fill.Color = Color.FromArgb(50, Color.Blue);
        chart2.Shadow.Visible = true;
        chart2.Legend = "Pri 2";

        StackedColumnChart chart3 = new StackedColumnChart();
        chart3.Fill.Color = Color.FromArgb(50, Color.Green);
        chart3.Shadow.Visible = true;
        chart3.Legend = "Pri 3";

        LineChart chart4 = new LineChart();
        chart4.Line.Color = Color.Gold;
        chart4.Fill.Color = Color.Gold;
        chart4.LineMarker = new TriangleLineMarker(6, Color.Red, Color.Gold);
        chart4.Legend = "Total";

        LineChart chart5 = new LineChart();
        chart5.Line.Color = Color.Green;
        chart5.Fill.Color = Color.Green;
        chart5.LineMarker = new DiamondLineMarker(8, Color.Green, Color.Yellow);
        chart5.Legend = "Goal";

        foreach(DataRow row in ds.Tables[0].Rows) {
            chart.Data.Add(new ChartPoint(row["date"].ToString(), (int)row["pri0"]));
            chart1.Data.Add(new ChartPoint(row["date"].ToString(), (int)row["pri1"]));
            chart2.Data.Add(new ChartPoint(row["date"].ToString(), (int)row["pri2"]));
            chart3.Data.Add(new ChartPoint(row["date"].ToString(), (int)row["pri3"]));
            chart4.Data.Add(new ChartPoint(row["date"].ToString(), (int)row["total"]));
            chart5.Data.Add(new ChartPoint(row["date"].ToString(), (int)row["goal"]));
        }

        chartControl1.Charts.Add(chart);
        chartControl1.Charts.Add(chart1);
        chartControl1.Charts.Add(chart2);
        chartControl1.Charts.Add(chart3);
        chartControl1.Charts.Add(chart4);
        chartControl1.Charts.Add(chart5);
        chartControl1.RedrawChart();
    }
    /// <summary>
    /// Just generate some random data
    /// </summary>
    DataSet CreateDataSet() {
        DataSet ds = new DataSet();
        DataTable table = ds.Tables.Add("Table");
        table.Columns.Add("date");
        table.Columns.Add("pri0", typeof(int));
        table.Columns.Add("pri1", typeof(int));
        table.Columns.Add("pri2", typeof(int));
        table.Columns.Add("pri3", typeof(int));
        table.Columns.Add("total", typeof(int));
        table.Columns.Add("goal", typeof(int));
        Random rnd = new Random();
        for (int i = 0; i < 20; i++) {
            DataRow row = table.NewRow();
            row["date"] = DateTime.Now.AddDays(i).ToString("mm/dd");
            int pri0 = rnd.Next(200);
            int pri1 = rnd.Next(200);
            int pri2 = rnd.Next(200);
            int pri3 = rnd.Next(200);
            int sum = pri0 + pri1 + pri2 + pri3;
            int goal = rnd.Next(sum);

            row["pri0"] = pri0;
            row["pri1"] = pri1;
            row["pri2"] = pri2;
            row["pri3"] = pri3;
            row["total"] = sum;
            row["goal"] = goal;
            table.Rows.Add(row);
        }
        return ds;
    }
</script>
<html>
<head>
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
        <web:ChartControl Runat="server" ID="chartControl1" ChartPadding="30" BottomChartPadding="20"
            TopPadding="20" Padding="20" Width="800" Height="450" BorderStyle="outset">
            <Background Type="LinearGradient" Color="#ccccff" EndPoint="900,900" />
            <Border Color="#6699ff" />
            <ChartTitle Text="My Product Bugs" Font="Tahoma, 12pt, style=Bold" ForeColor="White" />
            <XAxisFont StringFormat="Near, Near, Character, DirectionVertical" />
            <XTitle Text="Date" Font="Tahoma, 8pt, style=Bold" ForeColor="White" />
            <YTitle Text="# Bugs" Font="Tahoma, 8pt, style=Bold" StringFormat="Near, Near, Character, DirectionVertical" />
        </web:ChartControl>
    </form>
</body>
</html>