public partial class CSharp_LineCharts : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            // set the type of the chart
            // ChartCustomControl1.Type = ChartControl.ChartCustomControl.ChartType.Line; // use ChartType.Line if you have only one Data Series
            ChartCustomControl1.Type = ChartControl.ChartCustomControl.ChartType.MultiLine; // use ChartType.MultiLine if you have multiple Data Series
            // ChartCustomControl1.Type = ChartControl.ChartCustomControl.ChartType.Surface; // use ChartType.Surface if you have only one Data Series
            // ChartCustomControl1.Type = ChartControl.ChartCustomControl.ChartType.MultiSurface; // use ChartType.MultiSurface if you have multiple Data Series
            // ChartCustomControl1.Type = ChartControl.ChartCustomControl.ChartType.Surface3D; // use ChartType.Surface3D if you have only one Data Series
            // ChartCustomControl1.Type = ChartControl.ChartCustomControl.ChartType.MultiSurface3D; // use ChartType.MultiSurface3D if you have multiple Data Series
            // ChartCustomControl1.Type = ChartControl.ChartCustomControl.ChartType.MultiCurve; // use ChartType.MultiCurve if you have one or multiple Data Series
            // ChartCustomControl1.Type = ChartControl.ChartCustomControl.ChartType.Multi3DLine; // use ChartType.Multi3DLine if you have one or multiple Data Series

            // set the data series (values that will appear on the Y axis)
            ChartCustomControl1.DataSeries.Clear();
            ChartCustomControl1.DataSeries.Add(new ChartControl.DataItem("Seller1"));
            ChartCustomControl1.DataSeries.Add(new ChartControl.DataItem("Seller2"));
            ChartCustomControl1.DataSeries.Add(new ChartControl.DataItem("Seller3"));

            // there is another alternative to set the data series
            // ChartCustomControl1.setDataSeries("Seller1,Seller2,Seller3");

            // set the values that will appear on the X axis
            ChartCustomControl1.Labels = "Date";

            // format the values that will appear on the X axis (if needed)
            ChartCustomControl1.LabelsFormatString = "{0:dd-MMM-yyyy}";

            // set a data source
            // to set a data source you can either use DataSource property or DataSourceID
            ChartCustomControl1.DataSource = GetTestData();
            ChartCustomControl1.DataBind();

            // set chart title
            ChartCustomControl1.GraphTitle = "Title of the chart";

            // set the label that will appear under the chart
            ChartCustomControl1.XAxisLabel = "X Asis Label";

            // set the label that will appear on the left of the chart
            ChartCustomControl1.YAxisLabel = "Y Asis Label";

            // Shadows - by default, data elements have shadows, but this can be disabled
            ChartCustomControl1.DrawShadow = false;

            // Legend - the legend only appears if you have multiple data series
            ChartCustomControl1.setLegend(new string[] { "Seller 1", "Seller 2", "Seller 3" });

            // data point labels - these are the values that appear on top of each bar
            //ChartCustomControl1.ValueLabelsFormatString = "{0}";

            // display the chart as Flash (with animation) instead of image
            // ChartCustomControl1.UseFlash = true;
        }

    }

    /// <summary>
    /// This method returns a sample DataTable with test data
    /// The tables has the following structure:
    /// - Date (DateTime)
    /// - Seller1 (number)
    /// - Seller2 (number)
    /// - Seller3 (number)
    /// </summary>
    private DataTable GetTestData()
    {
        DataTable dt = new DataTable();
        dt.Columns.Add("Date", typeof(DateTime));
        dt.Columns.Add("Seller1", typeof(int));
        dt.Columns.Add("Seller2", typeof(int));
        dt.Columns.Add("Seller3", typeof(int));

        DataRow row = dt.NewRow();
        row["Date"] = new DateTime(2006, 1, 1);
        row["Seller1"] = 150;
        row["Seller2"] = 100;
        row["Seller3"] = 200;
        dt.Rows.Add(row);

        row = dt.NewRow();
        row["Date"] = new DateTime(2006, 2, 1);
        row["Seller1"] = 120;
        row["Seller2"] = 110;
        row["Seller3"] = 170;
        dt.Rows.Add(row);

        row = dt.NewRow();
        row["Date"] = new DateTime(2006, 3, 1);
        row["Seller1"] = 220;
        row["Seller2"] = 140;
        row["Seller3"] = 270;
        dt.Rows.Add(row);

        row = dt.NewRow();
        row["Date"] = new DateTime(2006, 4, 1);
        row["Seller1"] = 180;
        row["Seller2"] = 60;
        row["Seller3"] = 100;
        dt.Rows.Add(row);

        row = dt.NewRow();
        row["Date"] = new DateTime(2006, 5, 1);
        row["Seller1"] = 110;
        row["Seller2"] = 160;
        row["Seller3"] = 120;
        dt.Rows.Add(row);

        row = dt.NewRow();
        row["Date"] = new DateTime(2006, 6, 1);
        row["Seller1"] = 160;
        row["Seller2"] = 120;
        row["Seller3"] = 190;
        dt.Rows.Add(row);

        row = dt.NewRow();
        row["Date"] = new DateTime(2006, 7, 1);
        row["Seller1"] = 200;
        row["Seller2"] = 160;
        row["Seller3"] = 220;
        dt.Rows.Add(row);

        row = dt.NewRow();
        row["Date"] = new DateTime(2006, 8, 1);
        row["Seller1"] = 220;
        row["Seller2"] = 80;
        row["Seller3"] = 120;
        dt.Rows.Add(row);

        row = dt.NewRow();
        row["Date"] = new DateTime(2006, 9, 1);
        row["Seller1"] = 270;
        row["Seller2"] = 200;
        row["Seller3"] = 100;
        dt.Rows.Add(row);

        row = dt.NewRow();
        row["Date"] = new DateTime(2006, 10, 1);
        row["Seller1"] = 300;
        row["Seller2"] = 230;
        row["Seller3"] = 190;
        dt.Rows.Add(row);

        row = dt.NewRow();
        row["Date"] = new DateTime(2006, 11, 1);
        row["Seller1"] = 260;
        row["Seller2"] = 100;
        row["Seller3"] = 200;
        dt.Rows.Add(row);

        row = dt.NewRow();
        row["Date"] = new DateTime(2006, 12, 1);
        row["Seller1"] = 320;
        row["Seller2"] = 190;
        row["Seller3"] = 270;
        dt.Rows.Add(row);

        return dt;

    }

    protected void DdlChartType_SelectedIndexChanged(object sender, EventArgs e)
    {
        ChartCustomControl1.Type = (ChartControl.ChartCustomControl.ChartType)System.Enum.Parse(typeof(ChartControl.ChartCustomControl.ChartType), DdlChartType.SelectedValue);
    }

    protected void ChkFlash_CheckedChanged(object sender, EventArgs e)
    {
        ChartCustomControl1.UseFlash = ChkFlash.Checked;
    }
}