新建DevExpress窗体

SQLServer数据库中的数据如下：

拖入XtraTabControl控件，并修改Text属性

分别拖入GridControl控件和ChartControl控件

在GridControl控件中点击Run Designer,添加三列数据并分别设置FieldName(与数据库中对应)

在chartcontrol控件中点击Run Designer,添加两个Series,并修改Name属性

右键查看代码：(设置后的代码如下)

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
using DevExpress.XtraEditors;
using System.Data.SqlClient;
using DevExpress.XtraCharts;
using DevExpress.Utils;namespace TreeList_test
{public partial class Form5 : DevExpress.XtraEditors.XtraForm{public Form5(){InitializeComponent();}private void Form5_Load(object sender, EventArgs e){DataTable dt = CreateData();this.gridControl1.DataSource = dt;UpdateChart(this.chartControl1.Series[0], dt, 0);UpdateChart(this.chartControl1.Series[1], dt, 1);List<Series> list = new List<Series>() { this.chartControl1.Series[0], this.chartControl1.Series[1] };chartControl1.Legend.Visibility = DevExpress.Utils.DefaultBoolean.False;chartControl1.SeriesTemplate.LabelsVisibility = DefaultBoolean.True;for (int i = 0; i < list.Count; i++){CreateAxisY(list[i]);CreateAxisX(list[i]);}}private DataTable CreateData(){/*  DataTable dt = new DataTable();dt.Columns.Add(new DataColumn("类型"));dt.Columns.Add(new DataColumn("2005-1月", typeof(decimal)));dt.Columns.Add(new DataColumn("2005-2月", typeof(decimal)));dt.Columns.Add(new DataColumn("2005-3月", typeof(decimal)));dt.Columns.Add(new DataColumn("2005-4月", typeof(decimal)));dt.Columns.Add(new DataColumn("2005-5月", typeof(decimal)));dt.Columns.Add(new DataColumn("2005-6月", typeof(decimal)));dt.Rows.Add(new object[] { "员工人数", 437, 437, 414, 397, 387, 378 });dt.Rows.Add(new object[] { "人均月薪", 3946, 3961, 3979, 3974, 3967, 3972 });dt.Rows.Add(new object[] { "成本TEU", 3104, 1339, 3595.8, 3154.5, 2499.8, 3026 });dt.Rows.Add(new object[] { "人均生产率", 7.1, 3.06, 8.69, 7.95, 6.46, 8.01 });dt.Rows.Add(new object[] { "占2005年3月人数比例", 1.06, 1.06, 1, 0.96, 0.93, 0.91 });return dt;*/using (SqlConnection con = new SqlConnection("Data Source =.; Initial Catalog = test_10_23; User ID = sa; Password = 123456; Connection Timeout = 10")){string sql = "select empno,sal,deptno from emp";//查找所有员工的薪水SqlDataAdapter sda = new SqlDataAdapter(sql, con);DataSet ds = new DataSet();sda.Fill(ds);return ds.Tables[0];}}/// <summary>/// /// </summary>/// <param name="series"></param>/// <param name="dt">数据源</param>/// <param name="colIndex">数据源中第colIndex列的数据</param>private void  UpdateChart(Series series,DataTable dt,int colIndex){Type typeH = dt.Columns[0].DataType;for (int i = 0; i < dt.Rows.Count; i++){// var argument = Convert.ChangeType(dt.Rows[i][0], typeH);//参数名称//  var value = Convert.ChangeType(dt.Rows[i][colIndex], typeof(float));//参数值string argument = dt.Rows[i][1].ToString();                             //参数名称var value = Convert.ChangeType(dt.Rows[i][colIndex], typeof(double));   //参数值series.Points.Add(new SeriesPoint(argument, value));}//必须设置ArgumentScaleType的类型，否则默认会转换为日期格式，导致不是希望的格式显示//也就是说，显示字符串的参数，必须设置类型为ScaleType.Qualitiveseries.ArgumentScaleType = ScaleType.Qualitative;series.LabelsVisibility = DevExpress.Utils.DefaultBoolean.True;//显示标注标签}/// <summary>/// 创建图表的第二坐标系/// </summary>/// <param name="series">Series对象</param>/// <returns></returns>private SecondaryAxisY CreateAxisY(Series series){SecondaryAxisY myAxis = new SecondaryAxisY(series.Name);((XYDiagram)chartControl1.Diagram).SecondaryAxesY.Add(myAxis);((LineSeriesView)series.View).AxisY = myAxis;myAxis.Title.Text = series.Name;myAxis.Title.Alignment = StringAlignment.Far;//顶部对齐myAxis.Title.Visibility = DefaultBoolean.True;myAxis.Title.Font = new Font("宋体", 9.0f);Color color = series.View.Color;//设置坐标的颜色和图标线条颜色一致myAxis.Title.TextColor = color;myAxis.Label.TextColor = color;myAxis.Color = color;return myAxis;}/// <summary>/// 创建图表的第二坐标系/// </summary>/// <param name="series">Series对象</param>/// <returns></returns>private SecondaryAxisX CreateAxisX(Series series){SecondaryAxisX myAxis = new SecondaryAxisX(series.Name);((XYDiagram)chartControl1.Diagram).SecondaryAxesX.Add(myAxis);((LineSeriesView)series.View).AxisX = myAxis;myAxis.Title.Text = series.Name;myAxis.Title.Alignment = StringAlignment.Far; //顶部对齐myAxis.Title.Visibility = DefaultBoolean.True; //显示标题myAxis.Title.Font = new Font("宋体", 9.0f);Color color = series.View.Color;//设置坐标的颜色和图表线条颜色一致myAxis.Title.TextColor = color;myAxis.Label.TextColor = color;myAxis.Color = color;return myAxis;}}
}

启动程序：

点击图形展示：