求表A窗口1中目录树代码:
1,当点击目录树中的表名,被点击的表能在窗口中显示。如点击目录树中的表A,窗口中就会显示表A。
2,表A,表B,表C 都有“日期”, “年”,“月”列,目录树如何会在表名子节点自动显示表的年和月。
谢谢!
2.年,月改为整数,好排序
Dim Ls As String() = {"表A","表B","表C"}
Dim s,sql As String
For Each s In Ls
sql+ = " UNION Select '表' As 表,'" & s & "' As 表名 ,年,月 From{" & s & "}"
Next
Dim cmd As New SQLCommand
Dim dt As DataTable
cmd.CommandText = sql.Substring(7)
dt = cmd.ExecuteReader()
'生成目录树
Dim tv As WinForm.TreeView
tv =e.Form.Controls("TreeView1")
tv.BuildTree(dt,"表|表名|年|月")
tv.Nodes.Add("图表","图表")
[此贴子已经被作者于2011-9-11 15:58:16编辑过]
以下是引用hhbb在2011-9-11 15:57:00的发言:
2.年,月改为整数,好排序
Dim Ls As String() = {"表A","表B","表C"}
Dim s,sql As String
For Each s In Ls
sql+ = " UNION Select '表' As 表,'" & s & "' As 表名 ,年,月 From{" & s & "}"
Next
Dim cmd As New SQLCommand
Dim dt As DataTable
cmd.CommandText = sql.Substring(7)
dt = cmd.ExecuteReader()
'生成目录树
Dim tv As WinForm.TreeView
tv =e.Form.Controls("TreeView1")
tv.BuildTree(dt,"表|表名|年|月")
tv.Nodes.Add("图表","图表")
[此贴子已经被作者于2011-9-11 15:58:16编辑过]
GoodGoodStudy.
还有个问题,需要请大师帮忙。点击目录树表中的年或月,使其显示年或月的筛选代码,再有劳大师,谢谢!
这样:?
Dim tr As WinForm.TreeView = Forms("窗口1").Controls("TreeView1")
Dim nd As WinForm.TreeNode = tr.SelectedNode
If e.Node.Level = 1 Then
MainTable = Tables(e.Node.Text)
Tables("窗口1_Table1").DataSource = DataTables(nd.name)
elseif e.Node.Level = 2 Then
Tables("窗口1_Table1").filter = "年 = '" & nd.name & "' "
elseif e.Node.Level = 3 Then
Tables("窗口1_Table1").filter = "月 = '" & nd.name & "' "
End If