chart控件画图时，数据尾跟（-1，0）相连，怎么解决
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悬赏园豆：20
[待解决问题]
chart1.Series[0].Points.DataBindXY(Wavelengthainmy, Globalaimy);
chart1.Series[1].Points.DataBindXY(Wavelengthainmy, Diffaimy);
chart1.Series[2].Points.DataBindXY(Wavelengthainmy, Directaimy);
chart2.Series[0].Points.DataBindXY(Wavelengthainmy, DGaimy);
