this.Chart1.ChartAreas["ChartArea1"].BackColor = Color.Gainsboro;
            this.Chart1.ChartAreas["ChartArea1"].BackGradientStyle = GradientStyle.TopBottom;
            this.Chart1.ChartAreas["ChartArea1"].BackSecondaryColor = Color.White;
            this.Chart1.ChartAreas["ChartArea1"].BorderColor = Color.FromArgb(64, 64, 64, 64);
            this.Chart1.ChartAreas["ChartArea1"].BorderDashStyle = ChartDashStyle.Solid;
            this.Chart1.ChartAreas["ChartArea1"].ShadowColor = Color.Transparent;


ser.BorderColor = Color.FromArgb(180, 26, 59, 105);