源码地址：https://files.cnblogs.com/files/lanyubaicl/ChartControl.Line.7z
public partial class Form1 : Form { public Form1() { InitializeComponent(); } /// <summary> /// 根据数据创建一个图形展现 /// </summary> /// <param name="caption">图形标题</param> /// <param name="viewType">图形类型</param> /// <param name="dt">数据DataTable</param> /// <param name="rowIndex">图形数据的行序号</param> /// <returns></returns> private Series CreateSeries(string caption, ViewType viewType, DataTable dt, int rowIndex) { Series series = new Series(caption, viewType); for (int i = 1; i < dt.Columns.Count; i++) { string argument = dt.Columns[i].ColumnName;//参数名称 decimal value = (decimal)dt.Rows[rowIndex][i];//参数值 series.Points.Add(new SeriesPoint(argument, value)); } //必须设置ArgumentScaleType的类型，否则显示会转换为日期格式，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.Qualitative series.ArgumentScaleType = ScaleType.Qualitative; series.LabelsVisibility = DevExpress.Utils.DefaultBoolean.True;//显示标注标签 return series; } /// <summary> /// 准备数据内容 /// </summary> /// <returns></returns> 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", 3964, 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; } private void Form1_Load(object sender, EventArgs e) { DataTable dt = CreateData(); CreateChart(dt); } private void CreateChart(DataTable dt) { #region Series //创建几个图形的对象 Series series1 = CreateSeries("员工人数", ViewType.Line, dt, 0); Series series2 = CreateSeries("人均月薪", ViewType.Line, dt, 1); Series series3 = CreateSeries("成本TEU", ViewType.Line, dt, 2); Series series4 = CreateSeries("人均生产率", ViewType.Line, dt, 3); Series series5 = CreateSeries("占2005年3月人数比例", ViewType.Line, dt, 4); #endregion List<Series> list = new List<Series>() { series1, series2, series3, series4, series5 }; chartControl1.Series.AddRange(list.ToArray()); chartControl1.Legend.Visible = false; chartControl1.SeriesTemplate.LabelsVisibility = DefaultBoolean.True; for (int i = 0; i < list.Count; i++) { list[i].View.Color = getcolor(); CreateAxisY(list[i]); } } public Color getcolor() { Random random = new Random((int)DateTime.Now.Ticks); return Color.FromArgb(random.Next(255), random.Next(255), random.Next(255)); } /// <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.Visible = 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; } }
原文地址：http://www.cnblogs.com/wuhuacong/archive/2013/05/13/3076142.html