void LoadData()
 {
     using (NWindEntities dbContext = new NWindEntities()) {
         chart.DataSource = (from products
                             in dbContext.Products
                             select products).ToList();
     }
 }
 static void InitSeries(WebChartControl chart)
 {
     using (NWindEntities dbContext = new NWindEntities()) {
         SideBySideBarSeriesView view = new SideBySideBarSeriesView();
         view.FillStyle.FillMode = FillMode.Solid;
         Series series = new Series()
         {
             Name = "Product Price",
             View = view
         };
         series.ArgumentDataMember = "ProductName";
         series.ValueDataMembers.AddRange(new string[] { "UnitPrice" });
         chart.Series.Add(series);
     }
 }