public DataPointSelection()
        {
            chart = new SFChart();
            SFCategoryAxis primary = new SFCategoryAxis();

            primary.LabelPlacement = SFChartLabelPlacement.BetweenTicks;
            primary.Title.Text     = new NSString("Month");
            chart.PrimaryAxis      = primary;
            chart.SecondaryAxis    = new SFNumericalAxis()
            {
                ShowMajorGridLines = false
            };
            chart.SecondaryAxis.Title.Text = new NSString("Sales");

            dataModel        = new ChartSelectionDataSource();
            chart.DataSource = dataModel as SFChartDataSource;
            chart.Delegate   = new ChartSelectionDelegate();
            chart.AddChartBehavior(new SFChartSelectionBehavior());
            label               = new UILabel();
            label.Text          = "Month :  Mar, Sales : $ 53";
            label.Font          = UIFont.FromName("Helvetica", 13f);
            label.TextAlignment = UITextAlignment.Center;
            this.control        = this;
            this.AddSubview(chart);
            this.AddSubview(label);
        }
		public DataPointSelection ()
		{
			chart 					= new SFChart ();
			SFCategoryAxis primary 	= new SFCategoryAxis ();
			primary.LabelPlacement	= SFChartLabelPlacement.BetweenTicks;
			primary.Title.Text 		= new NSString ("Month");
			chart.PrimaryAxis 		= primary;
			chart.SecondaryAxis 		 	= new SFNumericalAxis (){ ShowMajorGridLines = false };
			chart.SecondaryAxis.Title.Text 	= new NSString ("Sales");

			dataModel 				= new ChartSelectionDataSource ();
			chart.DataSource 		= dataModel as SFChartDataSource;
			chart.Delegate 			= new ChartSelectionDelegate ();
			chart.AddChartBehavior (new SFChartSelectionBehavior());
			label 					= new UILabel ();
			label.Text 				= "Month :  Mar, Sales : $ 53";
			label.Font				= UIFont.FromName("Helvetica", 13f);
			label.TextAlignment 	= UITextAlignment.Center;
			this.control = this;
			this.AddSubview (chart);
			this.AddSubview (label);
		}