c# devexpress学习绘图

用字典方式存储数据并绘图：http://www.xuebuyuan.com/465384.html

数据库存储数据，并对图形作各种设置：http://www.cnblogs.com/xuhaibiao/archive/2012/08/23/2652142.html      有图有代码：http://www.cnblogs.com/xuhaibiao/archive/2012/08/23/2652148.html

 using DevExpress.XtraCharts;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
 using System.Linq;
 using System.Text;
 using System.Windows.Forms;

 namespace DXApplication1chart1
 {
     public partial class Form1 : DevExpress.XtraEditors.XtraForm
     {
         public Form1()
         {
             InitializeComponent();
         }

         private void Form1_Load(object sender, EventArgs e)
         {

         }

         private void button1_Click(object sender, EventArgs e)
         {
             this.xtraTabControl1.TabPages.Add("普通折线图");
             ChartControl lineChart = new ChartControl();
             Series series1 = new Series("通过人数", ViewType.Line);
             series1.ArgumentScaleType = ScaleType.Numerical;
             ((LineSeriesView)series1.View).LineMarkerOptions.Kind = MarkerKind.Triangle;
             ((LineSeriesView)series1.View).LineStyle.DashStyle = DashStyle.Dash;
             series1.Points.Add(new SeriesPoint(, new double[] {  }));
             series1.Points.Add(new SeriesPoint(, new double[] {  }));
             series1.Points.Add(new SeriesPoint(, new double[] {  }));
             series1.Points.Add(new SeriesPoint(, new double[] {  }));
             series1.Points.Add(new SeriesPoint(, new double[] {  }));
             series1.Points.Add(new SeriesPoint(, new double[] {  }));
             series1.Points.Add(new SeriesPoint(, new double[] {  }));
             series1.Points.Add(new SeriesPoint(, new double[] {  }));
             series1.CheckableInLegend = true;

             Series series2 = new Series("报名人数", ViewType.Line);
             series2.ArgumentScaleType = ScaleType.Numerical;
             ((LineSeriesView)series2.View).LineMarkerOptions.Kind = MarkerKind.Cross;
             ((LineSeriesView)series2.View).LineStyle.DashStyle = DashStyle.DashDotDot;
             series2.Points.Add(new SeriesPoint(, new double[] {  }));
             series2.Points.Add(new SeriesPoint(, new double[] {  }));
             series2.Points.Add(new SeriesPoint(, new double[] {  }));
             series2.Points.Add(new SeriesPoint(, new double[] {  }));
             series2.Points.Add(new SeriesPoint(, new double[] {  }));
             series2.Points.Add(new SeriesPoint(, new double[] {  }));
             series2.Points.Add(new SeriesPoint(, new double[] {  }));
             series2.Points.Add(new SeriesPoint(, new double[] {  }));
             lineChart.Series.Add(series1); lineChart.Series.Add(series2); lineChart.Legend.Visible = true;
             ((XYDiagram)lineChart.Diagram).Rotated = false;
             lineChart.Dock = DockStyle.Fill; lineChart.Size = new System.Drawing.Size(, );
             this.Controls.Add(lineChart);
             int tabPagesCount = this.xtraTabControl1.TabPages.Count - ;
             this.xtraTabControl1.TabPages[tabPagesCount].Controls.Add(lineChart);
             this.xtraTabControl1.SelectedTabPageIndex = tabPagesCount;
         }
     }
 }

devexpress14 绘图