urgent please : treeview control expand collapse

[Gönen EREN]

how can i collapse or expand a node of treeview control programmaticly?
thanks.

[Alvin Bruney]

each node contains a collapse property have a look at your object browser
"Gönen EREN" <ge***@gsu.edu. tr> wrote in message
news:OR******** ******@TK2MSFTN GP10.phx.gbl...

how can i collapse or expand a node of treeview control programmaticly?
thanks.

[Gönen EREN]

There is an event handler collapse but i couldn't find a collapse or expand
method
for example for a treeview object like :

<iewc:TreeVie w id="MenuTree" runat="server"
onselectedindex changed="MenuTr eeSelectChanged ">
<iewc:TreeNod e Text="A"></iewc:TreeNode>
<iewc:TreeNod e Text="B">
<iewc:TreeNod e Text="B1"></iewc:TreeNode>
<iewc:TreeNod e Text="B2"></iewc:TreeNode>
<iewc:TreeNod e Text="B3"></iewc:TreeNode>
<iewc:TreeNod e Text="B4"></iewc:TreeNode>
</iewc:TreeNode>
<iewc:TreeNod e Text="C">
<iewc:TreeNod e Text="C1"></iewc:TreeNode>
<iewc:TreeNod e Text="C2"></iewc:TreeNode>
<iewc:TreeNod e Text="C3"></iewc:TreeNode>
</iewc:TreeNode>
</iewc:TreeView>

what should i use in

public void MenuTreeSelectC hanged(Object sender, TreeViewSelectE ventArgs e)
{

}

i want only the the "e.NewNode" to be expanded and collapse the "e.OldNode"

thanks for your help.
"Alvin Bruney" <vapordan_spam_ me_not@hotmail_ no_spamhotmail. com> wrote in
message news:OF******** *****@tk2msftng p13.phx.gbl...

each node contains a collapse property have a look at your object browser
"Gönen EREN" <ge***@gsu.edu. tr> wrote in message
news:OR******** ******@TK2MSFTN GP10.phx.gbl...

how can i collapse or expand a node of treeview control programmaticly?
thanks.

[John Saunders]

"Gönen EREN" <ge***@gsu.edu. tr> wrote in message
news:e3******** ******@TK2MSFTN GP09.phx.gbl...
....

what should i use in

public void MenuTreeSelectC hanged(Object sender, TreeViewSelectE ventArgs e) {

}

i want only the the "e.NewNode" to be expanded and collapse the "e.OldNode"
thanks for your help.

Give this a try. I haven't tested it, but it compiles:

public void MenuTreeSelectC hanged(Object sender, TreeViewSelectE ventArgs e)
{
TreeView treeView = (TreeView) sender;

TreeNode oldNode = treeView.GetNod eFromIndex(e.Ol dNode);
oldNode.Expande d = false;

TreeNode newNode = treeView.GetNod eFromIndex(e.Ne wNode);
newNode.Expande d = true;
}

--
John Saunders
Internet Engineer
jo***********@s urfcontrol.com

[Gönen EREN]

it compiles but it doesn't work =(
i have also tried this one but the same thing no effect...
do you have any other ideas?

i use code behind, my code looks like:
------------------------------------------------------------
[...]

<iewc:TreeVie w id="MenuTree" runat="server"
onselectedindex changed="MenuTr eeSelectChanged ">
<iewc:TreeNod e Text="A"></iewc:TreeNode>
<iewc:TreeNod e Text="B">
<iewc:TreeNod e Text="B1"></iewc:TreeNode>
<iewc:TreeNod e Text="B2"></iewc:TreeNode>
<iewc:TreeNod e Text="B3"></iewc:TreeNode>
<iewc:TreeNod e Text="B4"></iewc:TreeNode>
</iewc:TreeNode>
<iewc:TreeNod e Text="C">
<iewc:TreeNod e Text="C1"></iewc:TreeNode>
<iewc:TreeNod e Text="C2"></iewc:TreeNode>
<iewc:TreeNod e Text="C3"></iewc:TreeNode>
</iewc:TreeNode>
</iewc:TreeView>

[...]
------------------------------------------------------------

namespace ControlCenter
{
using System;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.UI.W ebControls;
using System.Web.UI.H tmlControls;
using Microsoft.Web.U I.WebControls;

public abstract class Menu : System.Web.UI.U serControl
{
protected Microsoft.Web.U I.WebControls.T reeView MenuTree;

private void Page_Load(objec t sender, System.EventArg s e){}

public void MenuTreeSelectC hanged(Object sender,
TreeViewSelectE ventArgs e)
{
// This doesn't work...
MenuTree.GetNod eFromIndex(e.Ol dNode).Expanded =false;
MenuTree.GetNod eFromIndex(e.Ol dNode).Expanded =true;
}

//region Web Form Designer generated code
[...]
}
}

------------------------------------------------------------