zedGraphControl 画同一时间段，水位，流量，泄量 图表

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using ZedGraph;

namespace zedGraphTest
{
    public partial class frmZedGraph : Form
    {
       
        public frmZedGraph()
        {
            InitializeComponent();

            zedGraph1.Title = "降雨量分布图";

            zedGraph1.TitleColor = Color.Red;

            zedGraph1.Y1Title = "水位";

            zedGraph1.Y2Title = "流量";

            zedGraph1.IsShowPointValues(true);


        }

        private void button1_Click(object sender, EventArgs e)
        {


            DataTable dt0 = new DataTable();
            DataColumn dc0 = new DataColumn("Time0", typeof(DateTime));
            dt0.Columns.Add(dc0);
            dc0 = new DataColumn("SW", typeof(double));
            dt0.Columns.Add(dc0);

            DataRow dr0 = dt0.NewRow();
            dr0["Time0"] = Convert.ToDateTime("2010-08-01");
            dr0["SW"] = 75;
            dt0.Rows.Add(dr0);

            dr0 = dt0.NewRow();
            dr0["Time0"] = Convert.ToDateTime("2010-08-03");
            dr0["SW"] = 5;
            dt0.Rows.Add(dr0);

            dr0 = dt0.NewRow();
            dr0["Time0"] = Convert.ToDateTime("2010-08-05");
            dr0["SW"] = 10;
            dt0.Rows.Add(dr0);

            dr0 = dt0.NewRow();
            dr0["Time0"] = Convert.ToDateTime("2010-08-07");
            dr0["SW"] = 13;
            dt0.Rows.Add(dr0);

            dr0 = dt0.NewRow();
            dr0["Time0"] = Convert.ToDateTime("2010-08-09");
            dr0["SW"] = 36;
            dt0.Rows.Add(dr0);


            zedGraph1.CreateChartLineItem(dt0, "Time0", "SW", Convert.ToDateTime("2010-08-10"), Convert.ToDateTime("2010-07-29"), " 水位", 1, Color.Blue);






            DataTable dt1 = new DataTable();
            DataColumn dc1 = new DataColumn("Time1", typeof(DateTime));
            dt1.Columns.Add(dc1);
            dc1 = new DataColumn("nr", typeof(double));
            dt1.Columns.Add(dc1);

            DataRow dr1 = dt1.NewRow();
            dr1["Time1"] = Convert.ToDateTime("2010-08-01");
            dr1["nr"] = 0;
            dt1.Rows.Add(dr1);

            dr1 = dt1.NewRow();
            dr1["Time1"] = Convert.ToDateTime("2010-08-03");
            dr1["nr"] = 0;
            dt1.Rows.Add(dr1);

            dr1 = dt1.NewRow();
            dr1["Time1"] = Convert.ToDateTime("2010-08-05");
            dr1["nr"] = 0;
            dt1.Rows.Add(dr1);

            dr1 = dt1.NewRow();
            dr1["Time1"] = Convert.ToDateTime("2010-08-07");
            dr1["nr"] = 3;
            dt1.Rows.Add(dr1);

            dr1 = dt1.NewRow();
            dr1["Time1"] = Convert.ToDateTime("2010-08-09");
            dr1["nr"] = 21;
            dt1.Rows.Add(dr1);

           
            zedGraph1.CreateChartLineItem(dt1, "Time1", "nr", Convert.ToDateTime("2010-08-24"), Convert.ToDateTime("2010-07-29")," 流量",2,Color.Red);







            DataTable dt = new DataTable();

            DataColumn dc = new DataColumn("Times", typeof(DateTime));

            dt.Columns.Add(dc);

            dc = new DataColumn("JiangYu", typeof(double));

            dt.Columns.Add(dc);

            DataRow dr = dt.NewRow();
            dr["Times"] = Convert.ToDateTime("2010-08-01");
            dr["JiangYu"] = 15.00;
            dt.Rows.Add(dr);

            dr = dt.NewRow();
            dr["Times"] = Convert.ToDateTime("2010-08-03");
            dr["JiangYu"] = 20.00;
            dt.Rows.Add(dr);

            dr = dt.NewRow();
            dr["Times"] = Convert.ToDateTime("2010-08-05");
            dr["JiangYu"] = 25.00;
            dt.Rows.Add(dr);

            dr = dt.NewRow();
            dr["Times"] = Convert.ToDateTime("2010-08-07");
            dr["JiangYu"] = 5.00;
            dt.Rows.Add(dr);

            dr = dt.NewRow();
            dr["Times"] = Convert.ToDateTime("2010-08-09");
            dr["JiangYu"] = 7.00;
            dt.Rows.Add(dr);

            zedGraph1.IsSmooth = true;

            zedGraph1.CreateChartBarItem(dt, "Times", "JiangYu", Convert.ToDateTime("2010-08-14"), Convert.ToDateTime("2010-07-29"), "降雨量", 3, Color.Green, Color.White, false, 1);
            

        }

    }
}