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图表  发帖心情 Post By:2015/9/13 13:32:00 [显示全部帖子]

你好!
表A中“申请部门”列有A部门、B部门,X轴需要显示近12个月各部门出现的次数,下面代码不显示A\B部门各月的总次数

Dim Chart As WinForm.Chart
        Dim Series As WinForm.ChartSeries
        Dim t As DataTable =  DataTables("表A")
        Dim lst As List(Of String) = t.GetValues("申请部门") 
        Chart = Forms("报表").Controls("Chart6")
        Chart.ChartType = ChartTypeEnum.bar
        Chart.SeriesList.Clear()
        Chart.AxisX.ClearValueLabel        
        Series = Chart.SeriesList.Add()        
        Series.Length = 12
        Dim td As Date = new Date(Date.Today.Year, Date.Today.Month, 1)
        For i As Integer = 0 To 11
            Dim d = td.AddMonths(-i)
            Series.X(i) = i
            Series.Y(i) = val(t.Compute("count(" & "申请部门" & ")", "申请日期 >= #" & d & "# and 申请日期 < #" & d.AddMonths(1) & "#"))
            Chart.AxisX.SetValueLabel(i, Format(d, "yyyy-MM"))
            Chart.AxisX2.SetValueLabel(i, lst(i))
            Series.DataLabelText = "{#YVAL}"   
            Series.MarkShape = MarkShapeEnum.None
            Series.MarkSize=3
            Series.LineThickNess=0.5
        Next


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