专家坐堂-图表二次生成如何处理？Foxtable(狐表) - 新一代数据库软件，完美融合Access、Foxpro、Excel、vb.net之优势，人人都能掌握的快速软件开发工具!

\'\'=======招标控制价与报名家数=====

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("标录分析_Table01") \'定义一个变量t引用数据表

Dim nms3() As String = {"中标比例","公司比例"}

Chart = Forms("标录分析").Controls("Chart3") \' 引用窗口中的图表

Dim fnt1 As New Font("楷体",12,FontStyle.Bold)

Chart.HeaderFont = fnt1

Chart.HeaderText = "球号中标比例与公司比例" \'生成Chart总图名称

Chart.AxisX.ClearValueLabel \'清除所有通过SetValueLabel设置的数值字符标示

Chart.SeriesList.Clear() \'清除图表原来的图系

\'t.Sort = "开标日期"

Dim gd As C1Chart.C1Chart = Chart.BaseControl \'图表加滚动条

For Each c As String In nms3

Series = Chart.SeriesList.Add() \'增加一个图系

Series.Text = c \'设置图系的标题

Series.Length = t.Rows.Count \'设置图系的长度

Series.DataLabelText = "{#YVAL}%" \'所有线条显示数据标示

Dim pval As Double = 0

For r As Integer = 0 To t.Rows.Count - 1

If t.Rows(r)(c) = 0 Then

For i As Integer = r+1 To t.Rows.count -1

If t.Rows(i)(c) > 0 Then

Series.X(r) = r

pval = pval+(t.Rows(i)(c)-pval)/(i-r+1)

Series.Y(r) = Round2(pval * 100,2)

\'Series.Y(r) = t.Rows(r)(c)

Exit For

End If

Else

pval = t.Rows(r)(c)

Series.X(r) = r

Series.Y(r) = Round2(pval * 100,2)

\'Series.Y(r) = t.Rows(r)(c)

End If

Series.FitType = FitTypeEnum.Spline \'采用平滑线条

For r As Integer = 0 To t.Rows.Count - 1

Chart.AxisX.SetValueLabel(r, Format(t.Rows(r)("开标日期"),"yy-MM-dd") & vbcrlf & Format(t.Rows(r)("投标家数"),"0家")) \'指定字符表示

Chart.AxisX.AnnoWithLabels = True \'启用字符标示

\'Chart.VisualEffect = True \'加上这一行,让你的图表更漂亮

Chart.LegendVisible = True \'显示图列

Chart.LegendCompass= CompassEnum.South \'图列显示在南方(底端)

Chart.AxisX.AnnoRotation = - 45 \'X轴标示逆时针旋转45度

Dim fnt As New Font("黑体",10)

Chart.AxisX.Font = fnt

gd.ChartArea.AxisX.ScrollBar.Scale = 1.8 \'比例,自己算 \'图表加滚动条

gd.ChartArea.AxisX.ScrollBar.Visible = True \'图表加滚动条

此主题相关图片如下：第一次生成正常.png

此主题相关图片如下：第二次生成.png