public ChartBarSeriesSerializerTests()
        {
            var chart = ChartTestHelper.CreateChart <SalesData>();

            chart.DataSource = SalesDataBuilder.GetCollection();
            barSeries        = new ChartBarSeries <SalesData, decimal>(chart, s => s.RepSales);
        }
        public ChartPieSeriesSerializerTests()
        {
            var chart = ChartTestHelper.CreateChart <SalesData>();

            chart.DataSource = SalesDataBuilder.GetCollection();
            series           = new ChartPieSeries <SalesData, decimal>(chart, s => s.RepSales, s => s.RepName, s => s.Color, s => s.Explode);
        }