How to set focus on TreeNode? I have a treeview with lots of nodes. TreeView has focus method but TreeNode doesn't. When i select something in dropdown list. depending on that i want to set the focus on treenode in treeview.

string text = DropDownList1.SelectedItem.Text;

TreeNode node = TreeView1.FindNode(text);

node.Select();

but this doesnt work. focus wont go to this node.

you can use SelectedNode. assign it to the node you want to select:
this.treeView1.SelectedNode = mynode;

Hi,

lax4u:

string text = DropDownList1.SelectedItem.Text;

TreeNode node = TreeView1.FindNode(text);

node.Select();

but this doesnt work. focus wont go to this node.

Where did you put this code? Do you put this code in the page load event?

I just put these code in the dropdownlist's SelectedIndexChanged event, it works well.

Do you set the treeview's SelectedNodeStyle? or else you cannot see the effect of the node has been checked.

Hope it helps.

Amanda, Its on User Control's Page Load event.

Amesi, isn't selected node is readonly property?

Amanda, why do i need to set selected style property? Is it just to see if the node is selected or not? Actually what i'm doing. I have lots of links with their headers. So i'm using treeview to show these links. Also at the top of the page i have list of headers too. So when user click on one of the header in the list at the top. I want the focus should go to that header in TreeView.

The list at the top looks like this

Header1
Header2
Header3
Header4

and treeview looks like this

Header1
  link1
  link1
  link1
Header2
  link1
  link1
  link1
Header3
  link1
  link1
Header4
  link1
  link1
  link1
  link1

the node gets selected but the focus doesnt go there. I still have to scroll down manually to check if its selected or not. I want focus to go there. and TreeNode does not have focus method.

after searching for a while on the internet i found this solution. We have to use javascript to find selected node on client side and the use scrollIntoView method to scroll.  from this link http://www.thescripts.com/forum/thread494008.html check the 3rd Last post.

BUT in my case, suppose i have button and when i click on the button i want to focus to particular node. But node gets selected on server side and client script executes before that. So if i execute above mentioned javascript then it will not find selected node. So i was planning to use startup script in click event of button, but it still not finding the SelectedNode on client side.

here is my code

string s = "var name = " + treeviewid + "_Data.selectedNodeID.value;";

s += "if (selectedNode) { selectedNode.scrollIntoView(true); }";

any idea

anybody know the answer?...suppose TreeView1 is the uniqueid for TreeView then TreeView1_Data remains null on when javascript run on startup