C# 3.0 - Treeview Expanding The Root Node And Collapse The Rest?

Nov 12, 2010

i have a databound treeview in asp.net. how can i expand the root node and have the rest of the tree nodes all colapsed?

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On a treeview, you can collapse/expand the nodes by clicking the +/- icon.

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How can I do this in ASP.NET/C# ?

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[Code]....

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my xml file's code.

[Code]....

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I having an issue with the ASP.NET Treeview control. I create the treeview just fine but the nodes will not expand or collapse. I see there is a javascript error but it is for line 1 character 0 of the webpage, there is nothing at line 1 character 0.

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Web Forms :: Treeview Expanding / To Show The DB Values Dynamically?

Feb 15, 2011

I am using a treeview control to show the DB values dynamically below is my code


[Code]....

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Web Forms :: Get URL From Root Node?

Jan 19, 2010

ok in one of my application i want .aspx page path from the root that is when i click on text box or any other controll there should be window same as when we try to add img url we get window like that window i want.so that if i select any page i get url from the root .like

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Feb 22, 2010

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Feb 11, 2010

I am trying to use a treeview control in my application. From the begining I had one parentnode and several childnodes for each parentnode. I wanted to be able to close an opened node when I click on a new one and I maneged that with OnTreeNodeExpanded method.

My problem is that I now need to expand my treeview so it will look something like this:

[code]....

What I want now is:

1. to be able to close an opened parentNode if i click on some other parentNode,

2. if i click on childNode i want to expand it so I can see grandchild,

3. if i click on another childNode for the same parentNode I want that the allready expanded childNode collapses and that the childNode I clicked on to expand.

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Oct 23, 2010

how's it possible to expand or collapse only one parent node at time. i am using Xmldatasource.

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C# - Treeview Not Rendering Custom Expand And Collapse Images

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I've got a Treeview inside an Updatepanel, currently I'm developing directly on a dev server with a remote connection to it. I've set the CollapseImageUrl and ExpandImageUrl properties and when I view it on the dev servers' browser it renders fine.

It produces:

[code]....

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Oct 18, 2010

The following is a version of some code I'm having trouble running in IE version 6. It seems to work fine in IE 7, IE 8, FireFox, and Google Chrome. But in IE 6, when I expand and collapse nodes in the treeview, the SurroundingWrapper div resizes, but the message at the bottom stays glued in place (I'd prefer it stayed glued to the bottom of the div SurroundingWrapper). Can someone please tell my why this code falls apart in IE 6?

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0

[code]...

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Jan 11, 2011

I have a Web.sitemap like this

Home

Menu A

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Now I want to insert 2 childs under Home become

Home

Menu1

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Menu a

Menu b

Menu B

Menu c

Menu d

My web.sitemap file was like this:

[code]....

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Mar 26, 2010

This is so frustrating...that such a simple feature should not be included in the design of this control. I am using the cssfriendly adapters and the rendered code is shown below.

I thought I might be able to use the adapter's treeview JS function ExpandCollapse__AspNetTreeView(this) since this is what is called when I click on the node that causes it to expand/contract. But that did not work.

I have seen other code posted but it seemed to imply the treeview was a table not a ul.

Does anyone know how to simply expand or collapse all nodes from a link button without doing the postback. Of course the postback works but what a waste to have to postback to do such a simple action.

Why doesn' t MS consider the users and developers when creating these controls and tools? Stupid!

[code]....

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TreeView Are Selected Node Style Doesn't Appear To Selected Node

Aug 11, 2010

<asp:TreeView ID="TreeViewCategories" runat="server" ExpandDepth="0" Style="min-height: 200px;
max-height: 500px;" LineImagesFolder="~/TreeLineImages" NodeIndent="0" LeafNodeStyle-CssClass="LeafNodesStyle"
CssClass="TreeView" NodeStyle-CssClass="NodeStyle" ParentNodeStyle-CssClass="ParentNodeStyle"
[code]...

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C# - How To Add A New Treeview At The Selected Node?

Feb 9, 2011

I have a treeview with four levels; parent, child, grandchild, great-grandchild. My selectednode is at the grandchild level.

What I'm trying to do is to create a new "Treeview" at the grandchild - NO, I dont wnat to create a new node to the "selectednode" (grandchild). So it should be somelike this:

[Code]....

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