How can we bind database with chart in asp.net?

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C#

ASP.NET

MVC3

i have controller from which i want to show chart view in page

public ActionResult Index()
        {
            int y = 100;
            int x = 100;
            DataTable dt = ChDb.FSelectVendor();
            IEnumerable<vendor> emp;
            emp = (from DataRow row in dt.Rows
                   select new Vendor
                   {
                       id = Convert.ToInt32(row["VeId"].ToString())                       
                   }).ToList();
            Chart chart = new Chart(200, 200).AddTitle("Cool graph").AddSeries(chartType:"pie").DataBindTable(dataSource: emp,xField:"VendorId");
            this.ViewBag.Chart = chart;

            return View();
        }
Class Vendor
{
  public int id{get;set;}
  
}

in View Page
i have used
@ViewBag.Chart.Write()

it doesnot display the chat and throwing the exception lik Vendor is of type int,string,long,decimal