NavigationNodeCollection Object

The NavigationNodeCollection object is returned by the get_nodes method of the RadNavigation object or the NavigationNode object. The following table lists the most important methods.

 

Name	Parameters	Return Type	Description
add	NavigationNode	none	Adds a child node to the collection. See Example 1.
insert	int, NavigationNode	none	Inserts the node into the collection at the position defined by the first (index) parameter. See Example 2.
getNode	int	NavigationNode	Returns the item from the collection that resides at the specified index. See Example 3.
indexOf	NavigationNode	int	Returns the index of a node. See Example 4.
get_count	none	int	Returns the number of nodes in the collection. See Example 5.
getFirstNode	none	NavigationNode	Returns the first node in the collection. See Example 6.
getLastNode	none	NavigationNode	Returns the last node in the collection. See Example 7.

Example 1: Add a child node to the collection.

JavaScript

var nav = $find("<%= RadNavigation1.ClientID %>");
var nodes = nav.get_nodes();
var childNode = new Telerik.Web.UI.NavigationNode();
childNode.set_text("New");
nodes.add(childNode);		

Example 2: Insert a node into the collection at the specified index.

JavaScript

var nav = $find("<%= RadNavigation1.ClientID %>");
var nodes = nav.get_nodes();
var childNode = new Telerik.Web.UI.NavigationNode();
childNode.set_text("New");
nodes.insert(0, childNode);		

Example 3: Return the item at index 0 from the collection.

JavaScript

var nav = $find("<%= RadNavigation1.ClientID %>");
var node = nav.get_nodes().getNode(0);		

Example 4: Return the node's index.

JavaScript

var nav = $find("<%= RadNavigation1.ClientID %>");
var node = nav.get_nodes().getNode(1);
var index = nav.get_nodes().indexOf(node);	

Example 5: Return the number of nodes in the collection.

JavaScript

var nav = $find("<%= RadNavigation1.ClientID %>");
var count = nav.get_nodes().get_count();			

Example 6: Return the first node in the collection.

JavaScript

var nav = $find("<%= RadNavigation1.ClientID %>");
var node = nav.get_nodes().getFirstNode();			

Example 7: Return the last node in the collection.

JavaScript

var nav = $find("<%= RadNavigation1.ClientID %>");
var node = nav.get_nodes().getLastNode();		

See Also

• RadNavigation Object

• NavigationNode Object