protected void Page_Load(object sender, EventArgs e)

    {

        if (!IsPostBack)

        {

            // set chart data source

            WebChart1.DataSource = Winnovative.DataSources.GetTestData2();

            // set background color

            WebChart1.BackColor = Color.LightBlue;

            // transparency of the chart elements

            WebChart1.TransparencyLevel = 100;

            // set background of the chart grid area

            WebChart1.GridColor = Color.LightYellow;

            // show legend box

            WebChart1.LegendBox.Visible = true;

            WebChart1.LegendBox.Margins.Bottom = 300;

            WebChart1.LegendBox.TransparencyLevel = 100;

            // display tooltips

            WebChart1.Tooltips.Visible = true;

        }

    }