I'm basically using a 2D chart.I want to change the background color of PlotArea. However, when I run the code below, only the rest of the color changes except PlotArea.

nChartControl1.BackgroundStyle.FillStyle = new NColorFillStyle(Color.Black);
nChartControl1.Charts[0].BackgroundFillStyle = new NColorFillStyle(Color.Black);

Thank you for your help.