主题：筛选树目录列示到年月日

''---------------------------------设置生产计划表筛选树（按提交人-日期显示）--------------------------------------------

'首先生成统计表

Dim dt2 As DataTable

Dim b2 As New sqlGroupTableBuilder("统计表生产计划表","生产计划表")

b2.C

b2.Groups.AddDef("日期",DateGroupEnum.Year,"年")

b2.Groups.AddDef("日期",DateGroupEnum.Month,"月")

b2.Groups.AddDef("提交人")

b2.Groups.AddDef("序号")

b2.Totals.AddDef("序号",AggregateEnum.Count,"次数") '根据客户列来统计记录数,也就是订单数

dt2 = b2.Build(True) '参数设置为True,生成一个临时表,不在主界面显示

'然后根据统计表生成目录树

Dim trv2 As WinForm.TreeView = e.Form.Controls("TreeView3")

trv2.BuildTree(dt2, "提交人|年|月")

trv2.StopRedraw

For Each nd As WinForm.TreeNode In trv2.AllNodes

    Dim Year As Integer = nd.DataRow("年")

    Dim Month As Integer = nd.DataRow("月")

    Dim Product4 As String = nd.DataRow("提交人")

    Dim Product5 As String = nd.DataRow("序号")

    Select Case nd.Level

        Case 0

            nd.Text = nd.text & "(" & dt2.Compute("Sum(次数)","提交人 = '" & Product4 & "'") & ")"

        Case 1

            nd.Text = nd.text & "年(" & dt2.Compute("Sum(次数)","年 = " & Year) & ")"

        Case 2

            nd.Text = nd.text & "月(" & dt2.Compute("Sum(次数)","年 = " & Year & " And 月 = " & Month) & ")"

    End Select

Next

trv2.Nodes.Insert("显示所有行","显示所有行(" & dt2.Compute("Sum(次数)") & ")",0)

trv2.ResumeRedraw