step for drawing chart in asp.net

See more:

C#

ASP.NET

what step need to draw chart?

@{
var db = Database.Open("cnn");
var dbdata = db.Query("SELECT  training_in,status FROM call_details");
var myChart = new Chart(width : 600, height: 400)
  .AddTitle("Enquiry Status")
  .AddSeries(chartType: "Pie",
     xValue: dbdata, xField: "training_in",
     yValues: dbdata, yFields: "status")
  .Write();
}

i have put this code in javascript file.
But i dont know ,how to use this code and what other step require for that.