Migrating from RadTreeView for ASP.NET to ASP.NET AJAX

RadTreeView for ASP.NET AJAX contains a number of changes from moving to the ASP.NET Ajax framework and to the Telerik.Web.UI suite.These changes are listed below:

Client-Side Changes

RadTreeView

RadTreeView Client-Side Object - "Classic"	RadTreeView Client-Side Object for ASP.NET AJAX
Methods
FindNodeByText	findNodeByText()
FindNodeByValue	findNodeByValue()
FindNodeByAttribute	findNodeByAttribute()
GetSelectedNodes	get_selectedNodes()
UnSelectAllNodes	unselectAllNodes()
UpdateState	N/A (no longer required)
HideContextMenu	N/A (other API will be provided for Context Menu handling)
Properties
Nodes	get_nodes()The return value is no longer an Array. The return value is now a Telerik.Web.UI.RadTreeNodeCollection object.Enumerating Nodes:
AllNodes	get_allNodes()The return value is Array.
ID	get_id()
SelectedNode	get_selectedNode()

RadTreeNode

RadTreeNode Client-Side Object - "Classic"	RadTreeNode Client-Side Object for ASP.NET AJAX
Methods
Prev	get_previousNode()
Next	get_nextNode()
Expand	set_expanded(true) or expand()
Collapse	set_expanded(false) or collapse()
Toggle	toggle()
Highlight	highlight()
Select	set_selected(true) or select()
UnSelect	set_selected(false) or unselect()
Enable	set_enabled(true) or enable()
Disable	set_enabled(false) or disable()
Check	set_checked(true) or check()
UnCheck	set_checked(false) or uncheck()
StartEdit	startEdit()
EndEdit	endEdit()
CheckElement	get_checkBoxElement()
ScrollIntoView	scrollIntoView()
ImageElement	get_imageElement()
TextElement	get_textElement()
	get_contentElement()Returns an HTML DOM element (a tag) that represents a Tree Node.
Properties
Text	get_text()
Value	get_value()
Category	get_category()
Enabled	get_enabled()
Expanded	get_expanded()
Checked	get_checked()
Selected	get_selected()
Nodes	get_nodes()
Parent	get_parent()This method will return the RadTreeView if the Node is root Node.
TreeView	get_treeView()
Attributes	get_attributes(), getAttribute() and setAttribute()

RadTreeNodeCollection New Methods

See RadTreeNodeCollection Object for more details.

RadTreeNodeCollection Client-Side Object for ASP.NET AJAX
add
insert
remove
removeAt
get_count
getNode
indexOf

Server-Side Changes

RadTreeView Changes

RadTreeView - "Classic"	RadTreeView for ASP.NET AJAX
Properties
AfterClientFocus	OnClientFocused
BeforeClientContextMenu	OnClientContextMenuShowing
BeforeClientClick	OnClientNodeClicking
AfterClientClick	OnClientNodeClicked
AfterClientCallBackError	OnClientCallbackError
BeforeClientHighlight	OnClientMouseOver
AfterClientHighlight	OnClientMouseOver
BeforeClientDoubleClick	OnClientDoubleClicking
AfterClientMouseOut	OnClientMouseOut
AfterClientEdit	OnClientNode
BeforeClientDrop	OnClientNodeDropping
AfterClientDrop	OnClientNodeDropped
BeforeClientContextClick	OnClientContextClicking
BeforeClientCheck	OnClientNodeChecking
AfterClientCheck	OnClientNodeChecked
BeforeClientDrag	OnClientNodeDragStart
AfterClientMove	OnClientNodeDragging
AppendDataBoundNodes	AppendDataBoundItems
NodeBound	NodeDataBound
Types
LoadingMessagePosition	TreeViewLoadingStatusPosition

RadTreeView Deleted Methods and Properties

Deleted Method or Property	Description
ContentFile	Use the LoadContentFile method instead.
AjaxUrl
ContextMenuContentFile	Replaced by newcontext menus
AutoPostBack	Postback appears as soon as you hook on any server event requiring postback
AutoPostBackOnCheck	Subscribing to the NodeCheck event will enable postback for checking operations
GetContextMenusXml	Replaced by newcontext menus
LoadContextMenusXmlString	Replaced by newcontext menus
OnClientNodeToggling / Toggled	Replaced by OnClientNodeExpanding, OnClientNodeExpanded, OnClientNodeCollapsing, OnClientNodeCollapsed events
SSL	Treeview output is SSL compliant by default
ImagesBaseDir	The user would specify the whole path
RetainScrollPosition	This feature is on by default
IsCallback	Use Page.IsCallBack instead
LoadingMessageCssClass	Now controlled by the skin css styles
AfterClientFocus	Use the 'onfocus' attribute for the same purpose.

RadTreeView Changed Return Types

 

Changed Return Type for Method	Description
GetAllNodes	Returns IList instead of ArrayList
CheckedNodes	Returns IList instead of ArrayList
SelectedNodes	Returns IList instead of ArrayList

RadTreeViewEventHandler

RadTreeViewEventHandler has been split into other delegates:

1. RadTreeViewEventHandler is used by the following events:

   • NodeClick
   • NodeDataBound
   • NodeCreated
   • NodeExpand
   • NodeCollapse
   • NodeCheck

2. RadTreeViewDragDropEventHandler is used only by the NodeDrop event

3. RadTreeViewEditEventHandler is used only by the NodeEdit event

RadTreeNode Changes

 

RadTreeNode - "Classic"	RadTreeNode for ASP.NET AJAX
Properties
CssClassSelect	SelectedCssClass
ImageExpandedUrl	ExpandedImageUrl
Parent	ParentNode
EditEnabled	AllowEdit
DragEnabled	AllowDrag
DropEnabled	AllowDrop

RadTreeNodeEventArgs

That class has been split into other classes:

1. RadTreeNodeEventArgs contains only one property - Node. It is used by the following events:

   • NodeClick
   • NodeDataBound
   • NodeCreated
   • NodeExpand
   • NodeCollapse
   • NodeCheck

2. RadTreeNodeDragDropEventArgs is used solely by the NodeDrop event. It contains the following properties:

   • SourceDragNode
   • DestDragNode
   • DropPosition
   • HtmlElementID

3. RadTreeNodeEditEventArgs is used solely by the NodeEdit event. It contains the following properties

   • Node
   • Text