ok i have a Tree view at the side of the master page.
if i use treeview properties and manually add in nodes, no matter which content page i went to, the nodes will not change.
but if i fill in nodes with codes at contentpage1 and went to any other page.
the treeview nodes will disappear. why is this so? i tot the treeview was at master, as long as i don clear them away at other page, it should be stay there untill i tell them to do so.
Dim tv1 As TreeView
tv1 = CType(Master.FindControl("tvside"), TreeView)
If Not tv1 Is Nothing Then
Dim i As Integer = 1
tv1.Nodes.Clear()
Do While dr.Read
Dim tnode As New TreeNode
tnode.Value = dr.Item(2).ToString
tv1.Nodes.Add(tnode)
AddHandler tv1.SelectedNodeChanged, AddressOf tv1_SelectedNodeChanged
...
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