public partial class FrmMain : Form

    {

        public FrmMain()

        {

            InitializeComponent();

            InitializeChart();

            this.Load += new EventHandler(FrmMain_Load);

            this.myChart.GetToolTipText += new EventHandler<tooltipeventargs>(myChart_GetToolTipText);

        }

        void FrmMain_Load(object sender, EventArgs e)

        {

            float[][] data = new float[3][];

            //第一条数据

            data[0] = new float[10] { 1.3f, 2.5f, 2.1f, 3.3f, 2.8f, 3.9f, 4.3f, 3.6f, 4.2f, 3.6f };

            //第二条数据

            data[1] = new float[12] { -2f, -1.3f, 0.1f, 0.5f, -1.5f, 0.7f, 1f, 1.4f, 1.9f, 2f, 2.6f, 3.1f };

            //第三条数据

            data[2] = new float[10] { 7.8f, 9.2f, 6.5f, 8.3f, 9.0f, 5.9f, 6.3f, 7.2f, 8.8f, 9.8f };

            for (int i = 0; i < data.Length; i++)

            {

                //横坐标时间

                DateTime dt = DateTime.Now.Date;

                Series series = this.SetSeriesStyle(i);

                for (int j = 0; j < data[i].Length; j++)

                {

                    series.Points.AddXY(dt, data[i][j]);

                    dt = dt.AddDays(1);

                }

                this.myChart.Series.Add(series);

            }

        }

        private void myChart_GetToolTipText(object sender, ToolTipEventArgs e)

        {

            if (e.HitTestResult.ChartElementType == ChartElementType.DataPoint)

            {

                int i = e.HitTestResult.PointIndex;

                DataPoint dp = e.HitTestResult.Series.Points[i];

                e.Text = string.Format("时间:{0};数值:{1:F1} ", DateTime.FromOADate(dp.XValue),dp.YValues[0]);

            }

        }

        /// <summary>         /// 初始化Char控件样式

        /// </summary>         public void InitializeChart()

        {

            #region 设置图表的属性

            //图表的背景色

            myChart.BackColor = Color.FromArgb(211, 223, 240);

            //图表背景色的渐变方式

            myChart.BackGradientStyle = GradientStyle.TopBottom;

            //图表的边框颜色、

            myChart.BorderlineColor = Color.FromArgb(26, 59, 105);

            //图表的边框线条样式

            myChart.BorderlineDashStyle = ChartDashStyle.Solid;

            //图表边框线条的宽度

            myChart.BorderlineWidth = 2;

            //图表边框的皮肤

            myChart.BorderSkin.SkinStyle = BorderSkinStyle.Emboss;

            #endregion

            #region 设置图表的Title

            Title title = new Title();

            //标题内容

            title.Text = "多曲线图演示";

            //标题的字体

            title.Font = new System.Drawing.Font("Microsoft Sans Serif", 12, FontStyle.Bold);

            //标题字体颜色

            title.ForeColor = Color.FromArgb(26, 59, 105);

            //标题阴影颜色

            title.ShadowColor = Color.FromArgb(32, 0, 0, 0);

            //标题阴影偏移量

            title.ShadowOffset = 3;

            myChart.Titles.Add(title);

            #endregion

            #region 设置图表区属性

            //图表区的名字

            ChartArea chartArea = new ChartArea("Default");

            //背景色

            chartArea.BackColor = Color.FromArgb(64, 165, 191, 228);

            //背景渐变方式

            chartArea.BackGradientStyle = GradientStyle.TopBottom;

            //渐变和阴影的辅助背景色

            chartArea.BackSecondaryColor = Color.White;

            //边框颜色

            chartArea.BorderColor = Color.FromArgb(64, 64, 64, 64);

            //阴影颜色

            chartArea.ShadowColor = Color.Transparent;

            //设置X轴和Y轴线条的颜色和宽度

            chartArea.AxisX.LineColor = Color.FromArgb(64, 64, 64, 64);

            chartArea.AxisX.LineWidth = 1;

            chartArea.AxisY.LineColor = Color.FromArgb(64, 64, 64, 64);

            chartArea.AxisY.LineWidth = 1;

            //设置X轴和Y轴的标题

            chartArea.AxisX.Title = "横坐标标题";

            chartArea.AxisY.Title = "纵坐标标题";

            //设置图表区网格横纵线条的颜色和宽度

            chartArea.AxisX.MajorGrid.LineColor = Color.FromArgb(64, 64, 64, 64);

            chartArea.AxisX.MajorGrid.LineWidth = 1;

            chartArea.AxisY.MajorGrid.LineColor = Color.FromArgb(64, 64, 64, 64);

            chartArea.AxisY.MajorGrid.LineWidth = 1;

            myChart.ChartAreas.Add(chartArea);

            #endregion

            #region 图例及图例的位置

            Legend legend = new Legend();

            legend.Alignment = StringAlignment.Center;

            legend.Docking = Docking.Bottom;

            this.myChart.Legends.Add(legend);

            #endregion

        }

        //设置Series样式

        private Series SetSeriesStyle(int i)

        {

            Series series = new Series(string.Format("第{0}条数据", i + 1));

            //Series的类型

            series.ChartType = SeriesChartType.Line;

            //Series的边框颜色

            series.BorderColor = Color.FromArgb(180, 26, 59, 105);

            //线条宽度

            series.BorderWidth = 3;

            //线条阴影颜色

            series.ShadowColor = Color.Black;

            //阴影宽度

            series.ShadowOffset = 2;

            //是否显示数据说明

            series.IsVisibleInLegend = true;

            //线条上数据点上是否有数据显示

            series.IsValueShownAsLabel = false;

            //线条上的数据点标志类型

            series.MarkerStyle = MarkerStyle.Circle;

            //线条数据点的大小

            series.MarkerSize = 8;

            //线条颜色

            switch (i)

            {

                case 0:

                    series.Color = Color.FromArgb(220, 65, 140, 240);

                    break;

                case 1:

                    series.Color = Color.FromArgb(220, 224, 64, 10);

                    break;

                case 2:

                    series.Color = Color.FromArgb(220, 120, 150, 20);

                    break;

            }

            return series;

        }

    }</tooltipeventargs>