刚才那个问题搞定了新问题,如图
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此主题相关图片如下:qq图片20181030155128.png
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Dim Chart As WinForm.Chart '定义一个图表变量
Dim Series As WinForm.ChartSeries '定义一个图系变量
Dim t As Table = Tables("AAA") '定义一个变量t引用数据表
Chart= Forms("参数2").Controls("Chart1") ' 引用窗口中的图表
Chart.ChartType = ChartTypeEnum.Bar '
Chart.HeaderText = "压差--实际流量"
Chart.SeriesList.Clear() '清除图表原来的图系
Series = Chart.SeriesList.Add() '增加一个图系
Series.LineColor = Color.blue
Series.LineThickNess = 3
Series.text = "压差"
Series.DataLabelText = "{#YVAL}"
Series.Length = t.Rows.Count '图系的数据点数等于表的行数
For i As Integer = 0 To t.Rows.Count - 1 '指定每个数据点的位置
Series.X(i) = t.Rows(i)("压差") '指定水平坐标
Series.Y(i) = t.Rows(i)("实际流量") '指定垂直坐标
Next
Chart.AxisY.AnnoFormatString="0.00"