For Each c As Col In t.Cols
If c.Name <> "开标日期" Then
Series = Chart.SeriesList.Add() '增加一个图系
Series.Text = c.Name '设置图系的标题
Series.Length = t.Rows.Count '设置图系的长度
For r As Integer = 0 To t.Rows.Count - 1
Series.X(r) = r
Series.Y(r) = t.Rows(r)(c.Name)
Next
Series.FitType = FitTypeEnum.Spline
End If
Next