Chart.SeriesList2.Clear() '清除图表原来的图系
Series = Chart.SeriesList2.Add() '给图表2增加一个图系
Series.Text = "达成率"
Series.X.DataField = "月份" 'X轴绑定到产品列
Series.Y.DataField = "达成率" 'Y轴绑定到数量列
Chart.SeriesList2(0).LineColor = Color.red
Chart.SeriesList2(0).LineThickness = 2 '设置线条粗细
Series.MarkShape = MarkShapeEnum.Dot
Series.MarkSiZe = 6
Series.MarkColor = color.Red
Chart.SeriesList2.Clear() '清除图表原来的图系
Series = Chart.SeriesList2.Add() '给图表2再增加一个图系
Series.Text = "达成率目标"
Series.X.DataField = "月份" 'X轴绑定到产品列
Series.Y.DataField = "达成率目标" 'Y轴绑定到数量列
Chart.SeriesList2(0).LineColor = Color.green
Chart.SeriesList2(0).LineThickness = 1.5 '设置线条粗细
Series.MarkShape = MarkShapeEnum.Dot
Series.MarkSiZe = 6
Series.MarkColor = color.green
上面的代码,我是希望在副坐标里面显示2条曲线,一条是达成率目标,一条是达成率,但是有了第二段代码,那第一段代码的线条就不出现了;如果注释掉第二段代码,那第一段代码的线条又出现了。请问是哪里的问题呢?谢谢。