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最新推荐文章于 2025-08-21 08:39:19 发布

原创最新推荐文章于 2025-08-21 08:39:19 发布 · 984 阅读

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本文介绍了一个使用 ChartFX 在网页上展示学生学习成绩的示例程序。该程序通过 C# 实现，利用 DataTable 存储学生的姓名及各科成绩，并将这些数据以条形图的形式展现出来。此外，还介绍了如何为图表填充数据、设置图表样式等关键步骤。

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using SoftwareFX.ChartFX.Internet.Server;

public partial class stu : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Chart chart1 = new Chart();
        Panel1.Controls.Add(chart1);

        DataTable dt = new DataTable();
        DataColumn dc = new DataColumn();
        DataRow dr;
        dt.Columns.Add("姓名",typeof(System.String));
        dt.Columns.Add("语文", typeof(System.String));
        dt.Columns.Add("数学", typeof(System.String));
        dt.Columns.Add("英语", typeof(System.String));
        dt.Columns.Add("化学", typeof(System.String));
        dr = dt.NewRow();
        dr[0] = " 张三";
        dr[1] = "77";
        dr[2] = "90";
        dr[3] = "66";
        dr[4] = "61";
        dt.Rows.Add(dr);

        dr = dt.NewRow();
        dr[0] = " 王五";
        dr[1] = "89";
        dr[2] = "78";
        dr[3] = "97";
        dr[4] = "72";
        dt.Rows.Add(dr);

        dr = dt.NewRow();
        dr[0] = " 小张";
        dr[1] = "78";
        dr[2] = "80";
        dr[3] = "86";
        dr[4] = "73";
        dt.Rows.Add(dr);

        dr = dt.NewRow();
        dr[0] = " 小明";
        dr[1] = "75";
        dr[2] = "70";
        dr[3] = "45";
        dr[4] = "68";
        dt.Rows.Add(dr);

chart1.Gallery = SoftwareFX.ChartFX.Gallery.Bar;
chart1.Stacked = SoftwareFX.ChartFX.Stacked.Normal;

        // Populating the chart1 with random data
        chart1.OpenData(SoftwareFX.ChartFX.COD.Values,dt.Columns.Count-1,dt.Rows.Count);
        System.Random r;
        int i, j;
        r = new System.Random();
        for (i = 0; i < dt.Columns.Count - 1; i++){
            for (j = 0; j < dt.Rows.Count; j++){
                chart1.Value[i, j] = Convert.ToDouble(dt.Rows[j][i+1]);

chart1.KeyLeg[i] = dt.Rows[i][0].ToString();

                }
            //chart1.SerLeg[i] = dt.Columns[j].ColumnName;
        }

        chart1.DataEditor = true;
        chart1.LegendBox = true;

chart1.CloseData(SoftwareFX.ChartFX.COD.Values);

}
}