窗口afterload
'首先生成统计表
Dim dt As DataTable
Dim b As New GroupTableBuilder("统计表1",DataTables("病案检索表"))
b.Groups.AddDef("日期",DateGroupEnum.Year,"年")
b.Groups.AddDef("日期",DateGroupEnum.Month,"月")
b.Groups.AddDef("姓名")
b.Totals.AddDef("编号",AggregateEnum.Count,"次数") '根据客户列来统计记录数,也就是订单数
dt = b.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 trv As WinForm.TreeView = e.Form.Controls("TreeView1")
trv.BuildTree(dt, "姓名")
trv.StopRedraw
For Each nd As WinForm.TreeNode In trv.AllNodes
Dim Year As Integer = nd.DataRow("年")
Dim Month As Integer = nd.DataRow("月")
Dim Product As String = nd.DataRow("姓名")
Select Case nd.Level
Case 0
nd.Text = nd.text & "(" & dt.Compute("Sum(次数)","姓名 = '" & Product & "'") & "次)"
End Select
Next
trv.Nodes.Insert("显示所有行","显示所有行(" & dt.Compute("Sum(次数)") & "次)",0)
trv.ResumeRedraw
树NodeMouseClick
Dim Filter As String = ""
If e.Node.Text <> "显示所有行" Then
Select Case e.Node.Level
Case 0
Filter = "[姓名] = '" & e.Node.DataRow("姓名") & "'"
End Select
End If
Tables("按姓名检索_Table1").Filter = Filter
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Post By：2019/8/9 8:49:00 [只看该作者]
