protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
// new data source
DataSource ds = new DataSource("PlainGraph Sample");
// new record
DataRecord dr = new DataRecord("DVD");
dr.Color = Color.SkyBlue;
dr.LineWeight = 2f; // line weight
dr.AddData("2010", 3000);
dr.AddData("2011", 3500);
dr.AddData("2012", 5000);
// add record
ds.AddData(dr);
// simple way to create record and add
ds.AddData("Book", new Dictionary <string, double>()
{
{ "2010", 2100 },
{ "2011", 2700 },
{ "2012", 2550 },
}).LineWeight = 3f;
graph.DataSource = ds; // update data source
graph.GraphType = PlainGraphType.Column; // change chart type
}