关于自动合计模式中的计算问题 - 专家坐堂 - 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!

Dim sender As object = Args(0)

Dim e As object = Args(1)

If sender.Name = "" Then Return Nothing '没有设置好Table 和底层的关联

If Tables.Contains(sender.Name) = False Then Return Nothing '不存在就退出

Dim tb As Table = Tables(sender.Name)

If tb.GrandTotal Then '如果处于合计模式

Dim hg As Integer = sender.rows(sender.rows.count -1).Height '控件高

If hg = -1 Then

hg = sender.rows(sender.rows.count -1).HeightDisplay

End If

Dim gh = sender.Height - 1

If sender.ScrollBarsVisible = 1 OrElse sender.ScrollBarsVisible = 3 Then '显示了水平滚动条

gh = gh - 19

End If

If sender.Controls.ContainsKey("Myhuizong") = False Then '不存在汇总控件,则添加

Dim huizong As new C1.Win.C1FlexGrid.C1FlexGrid

With huizong

.name = "Myhuizong"

.BorderStyle = C1.Win.C1FlexGrid.Util.BaseControls.BorderStyleEnum.None '无边框

.Cols.Count = sender.Cols.Count

.rows.count = 2

.Rows(0).Height = 0 '隐藏标题行

.Enabled = False '不能使用控件

'.styles.emptyarea.backcolor = sender.styles.emptyarea.backcolor

.FocusRect = C1.Win.C1FlexGrid.FocusRectEnum.None '不显示焦点框

.HighLight = C1.Win.C1FlexGrid.HighLightEnum.Never '不高亮显示选定区

End With

sender.Controls.add(huizong) '加入控件

End If

Dim hui As C1.Win.C1FlexGrid.C1FlexGrid = sender.Controls("Myhuizong")

If sender.ScrollBarsVisible = 0 OrElse sender.ScrollBarsVisible = 2 Then '显示了垂直滚动条

hui.ScrollBars = 2

Else

hui.ScrollBars = 0

End If

With hui '调整位置

.left = 0

If sender.Rows(sender.Rows.count -1).Top < sender.Height - sender.rows(sender.rows.count -1).Height * 2 Then

.Top = sender.Rows(sender.Rows.count -1).Top 'sender.GetCellRect(sender.Rows.count-1, 1).y

Else

.top = gh - hg - 1

End If

.width = sender.width -19

.Height = 21 'hg + 2

.Rows(1).Height = 21 ' hg

End With

Dim sLightBlue As C1.Win.C1FlexGrid.CellStyle = hui.Styles.Add("LightBlue")

sLightBlue.BackColor = Color.PaleGreen

sLightBlue.ForeColor = Color.red

Dim i As Integer

For i = 0 To sender.Cols.count -1

If sender.Cols(i).width = -1 Then '同步列宽

hui.Cols(i).width = sender.Cols.DefaultSize

Else

hui.Cols(i).width = sender.Cols(i).width

End If

hui.Cols(i).Style = sender.Cols(i).Style '同步列样式

'hui.BackColor = Color.Blue

If i > 0 Then hui.SetCellStyle(1,i,sLightBlue)

hui.Cols(i).Visible = sender.Cols(i).Visible '同步隐藏列

hui.Cols.Frozen = sender.Cols.Frozen '同步冻结列

hui.ScrollPosition = sender.ScrollPosition '同步水平滚动

hui(1,1) = "合计"

For i = 2 To sender.Cols.count -1

If tb.Cols(i-1).GrandTotal Then

hui(1,i) = sender.Aggregate(C1.Win.C1FlexGrid.AggregateEnum.Sum,0,i,sender.Rows.count-2,i,1)

Else

hui(1,i) = Nothing

End If

'hui.rows(1)(sender.cols("客户ID").Index) = "我想怎么显示就怎么显示"

hui.rows(1)(sender.cols("余额").Index) = hui.Rows(1)(sender.cols("收入").Index) - hui.Rows(1)(sender.cols("支出").Index)

sender.Cols(0).width = 30

hui.Cols(0).width = 30

'End If

Else '检查并删除控件

If sender.Controls.ContainsKey("Myhuizong") Then '删除控件

sender.Controls.RemoveByKey("Myhuizong")

End If

主题：关于自动合计模式中的计算问题