public StackedColumn ()
		{
			SFChart chart = new SFChart ();
			SFCategoryAxis primaryAxis = new SFCategoryAxis ();
			primaryAxis.LabelPlacement	= SFChartLabelPlacement.BetweenTicks;
			chart.PrimaryAxis = primaryAxis;
			chart.SecondaryAxis = new SFNumericalAxis ();

			StackingColumnDataSource dataModel = new StackingColumnDataSource ();
			chart.DataSource = dataModel as SFChartDataSource;
			this.control = chart;
		}
        public StackedColumn()
        {
            SFChart        chart       = new SFChart();
            SFCategoryAxis primaryAxis = new SFCategoryAxis();

            primaryAxis.LabelPlacement = SFChartLabelPlacement.BetweenTicks;
            chart.PrimaryAxis          = primaryAxis;
            chart.SecondaryAxis        = new SFNumericalAxis();

            StackingColumnDataSource dataModel = new StackingColumnDataSource();

            chart.DataSource = dataModel as SFChartDataSource;
            this.control     = chart;
        }