protected override void UpdateData()
		{
			if (string.IsNullOrEmpty(this.Symbol)) return;
			var quote = new Quote(this.Symbol);
			DataProvider.Fetch(new List<Quote> { quote });
			if (string.IsNullOrEmpty(quote.Name)) RadWindow.Alert("The provided symbol could not be resoled by Yahoo Finance. The shape has been added nevertheless.");
			this.Content = quote;
		}
		protected override void UpdateData()
		{
			try
			{
				var quote = new Quote(this.Symbol);
				DataProvider.Fetch(new List<Quote> { quote });
				this.Content = quote;
			}
			catch (Exception)
			{
				RadWindow.Alert("Invalid symbol or the data service is not responding.");
			}
		}