protected void Page_Load(object sender, EventArgs e) { // Adding CSS file to this web form System.Web.UI.HtmlControls.HtmlLink css = new System.Web.UI.HtmlControls.HtmlLink(); css.Href = "/content/flight.css"; css.Attributes["rel"] = "stylesheet"; css.Attributes["type"] = "text/css"; Master.Page.Header.Controls.Add(css); List <Airport> airports = JsonConvert.DeserializeObject <List <Airport> >(httpget(int.Parse(databaseOption.SelectedValue), "airports")); System.Diagnostics.Trace.TraceInformation(JsonConvert.SerializeObject(airports)); AirportTable.DataSource = airports; AirportTable.DataBind(); }