Dim d As Date = Date.Today
Dim d1 As Date = new Date(2019, d.month, 26)
Dim d2 As Date = new Date(2019, d.month, 25)
Dim d3 = d1.AddMonths(-2)
Dim d4 = d1.AddMonths(-1)
Dim g As New GroupTableBuilder("统计表1", DataTables("月报表"))
g.Filter = "日期 >= '" & Format(d3, "MM.dd") & "' and 日期 < '" & Format(d4, "MM.dd") & "'"
g.Groups.AddDef("供应商")
g.Totals.AddDef("供应商", AggregateEnum.Count, "不合格批次")
Tables("窗口1_Table1").DataSource = g.BuildDataSource()
Tables("窗口1_Table1").sort = "不合格批次 desc"
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("窗口1_Table1") '定义一个变量t引用数据表
Chart = e.Form.Controls("Chart1") ' 引用窗口中的图表
Chart.ChartType = ChartTypeEnum.Bar '图表类型该为Bar(条形)
Chart.HeaderText = d4.month & "月"
Chart.AxisX.Major = 2
Chart.AxisY.Major = 2
Chart.SeriesList.Clear() '清除图表原来的图系
Chart.AxisX.ClearValueLabel
Series = Chart.SeriesList.Add() '增加第一个图系
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) = i '指定水平坐标
Series.Y(i) = t.Rows(i)("不合格批次") '指定垂直坐标
Chart.AxisX.SetValueLabel(i, t.Rows(i)("供应商"))
Next
Chart.AxisX.AnnoWithLabels = True '启用字符标示
Chart.LegendCompass= CompassEnum.South '图列显示在南方(底端)
Series.DataLabelText = "{#YVAL}"
Chart.AxisX.AnnoRotation = -45 'X轴标示逆时针旋转45度
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Post By：2019/4/25 16:55:00 [显示全部帖子]
