RadTreeView for ASP.NET
Table of Contents
  • At a glance
  • Licensing
  • Installation and deployment
  • DNN
  • New to Telerik RadTreeView?
  • Already using the control
  • Standards Compliance
  • AJAX Support
  • Feature OverView
  • How RadTreeView compares to ASP.NET Treeview
  • Getting Started
  • ASP.NET 2.0 Features
  • Templates
  • Defining TreeView Structure
  • Data Binding
  • Controlling the visual appearance
  • Context Menus
  • Custom Attributes
  • Using Checkboxes
  • Using the Drag and Drop Functionality
  • Load On Demand Support
  • Example scenarios (How to)
  • Telerik RadTreeView Client-Side
  • Telerik RadTreeView Server-Side
  • Interoperability with Other Controls
  • TroubleShooting
  • API Reference
  • Get more help
Client-Side Object Model Send comments on this topic.
See Also

Glossary Item Box

RadTreeNode

Read-only Properties

Those properties can be set in the server-side code and then accessed at the client-side. All of them reflect the current client-side state of the treeview.

 

Property

Description

Text

The label of the node. This is what people see (e.g. "Los Angeles").

Value

 A user-defined value, which can be used for programmatic control (e.g. "35").

Category

 A user-defined value, which can be used for programmatic control (e.g. "City").
ID The ID of the node.

Enabled

 True/False according to the "enabled" state of the node.

Expanded

 True/False according to the "expanded" state of the node.

Checked

 True/False according to the "checked" state of the node.

Selected

 True/False according to the "selected" state of the node.

Nodes

 An array of the immediate child-node instances of the given node (not ALL child nodes).

Parent

 An instance of the parent-node, if any. Null if the given node is a root node.

TreeView

 An instance to the parent RadTreeView.

Attributes

 Gets the custom attributes from the Attributes collection of the TreeNode.


 

Methods

 

Method

Description

Prev()

An instance of the previous sibling of the given node.

Next()

 An instance of the the next sibling of the given node.

Expand()
Collapse()
Toggle()

 Expands/collapses or toggles the state of the node (only if it has child-nodes).
Highlight() Highlights the node.
Select() Highlights the node and executes action (postback, url redirection) if any.
UnSelect() Unselects the node.
Enable() Enables a node that has been disabled (changes will not be persisted after postback).
Disable() Disables the node by applying the "TreeNodeDisabled" Css Style to the node and making it unclickable (changes will not be persisted after postback).

Check(), UnCheck()

 Checks/unchecks the given node (if the checkbox mode is enabled).
StartEdit()

Switches the text of the node in edit mode.

EndEdit()

Switches the text of the node in uneditable mode.

CheckElement() 

Returns the HTML element which corresponds to the checkbox of the node.

 ScrollIntoView() Causes the node to scroll into view, aligning it at the bottom of the treeview area.
 ImageElement() Gets an instance of the image element of a given node.
 TextElement() Gets an instance of the text of a given node.



RadTreeView

Read-only properties

 

Property

Description

Nodes

 An array of the root nodes.

AllNodes

 An array of ALL nodes in the treeview (not only the root nodes).
ID The ID of the treeview. 
SelectedNode Instance of the currently selected node. Null if none.


 

Methods

 

Method

Description

FindNodeByText(text)

Returns the first instance of a node with the specified Text.

FindNodeByValue(value)

 Returns the first instance of a node with the specified Value. 

 GetSelectedNodes()

 Returns an Array of all selected nodes (useful when MultipleSelect is on).
 UnSelectAllNodes() Unselects all nodes.
 UpdateState() Updates the state of all TreeNodes on the server-side. If the nodes have been selected/unselected, checked/unchecked, etc.


See Also