\'筛选党员

DataTables("党员资料").LoadFilter = "[入党时间] is not null"

DataTables("党员资料").Load

\'生成统计表

Dim dt As DataTable

Dim b As New GroupTableBuilder("统计表1",DataTables("党员资料"))

b.Groups.AddDef("单位")

b.Groups.AddDef("性别")

b.Totals.AddDef("姓名",AggregateEnum.Count,"党员数") \'根据客户列来统计记录数,也就是订单数

dt = b.Build \'参数设置为False,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 trv As WinForm.TreeView = e.Form.Controls("TreeView1")

trv.BuildTree(dt,"单位|性别")

trv.StopRedraw

For Each nd As WinForm.TreeNode In trv.AllNodes

    Dim bm As String = nd.DataRow("单位")

    Dim xb As String = nd.DataRow("性别")

    Select Case nd.Level

        Case 0

           nd.Text = nd.text & "(" & dt.Compute("Sum(党员数)","单位 = \'" & bm & "\'") & ")"

        Case 1

             nd.Text = nd.text & "性别(" & dt.Compute("Sum(党员数)","单位 = \'" & bm & "\' And 性别 = \'" & xb & "\'") & ")"

End Select

Next

trv.ResumeRedraw