RadListBoxItem Object

The RadListBoxItem object is returned by the getItem method of the RadListBox or RadListBoxItemCollection object. It is also exposed by the event arguments of many client-side events (eventArgs.get_item()). The following table lists the most important methods:

  

Name	Parameters	Return Type	Description
get_text	none	string	Gets the Text of the item
get_value	none	string	Gets th Value of the item
get_attributes	none	Collection	Returns the collection of custom attributes for the item.(see Example 1)
enable	none	none	Enables the item if it is disabled
disable	none	none	Disables the item if it is enabled
select	none	none	Selects the item (equal to set_selected(true) )
unselect	none	none	Unselects the item (equal to set_selected(false) )
check	none	none	Checks the item (equal to set_checked(true) )
uncheck	none	none	Un-checks the item (equal to set_checked(false) )
clone	none	RadListBoxItem	Creates a new item by copying the properties of the source item
get_isVisible	none	bool	Returns whether the item is visible
scrollIntoView	none	none	Puts the item at the bottom of the visible area
ensureVisible	none	none	If the item is not visible - puts it at the top of the visible area
get_listBox	none	RadListBox	Gets the RadListBox client-object
get_selected	none	bool	Returns whether the item is selected
set_selected	bool	none	Selects the item
get_checked	none	bool	Returns whether the item is checked
set_checked	bool	none	Checks the item
get_checkable	none	bool	Returns whether the item can be checked
set_checkable	bool	none	Sets whether the item can be checked
get_imageUrl	none	string	Gets the value of the ImageUrl property
set_imageUrl	string	none	Sets the ImageUrl property of the item
get_toolTip	none	string	Gets the tooltip of the item
set_toolTip	string	none	Sets the tooltip of the item
get_allowDrag	none	bool	Returns whether the item can be dragged
set_allowDrag	bool	none	Sets the AllowDrag property (whether the item can be dragged)
get_element	none	HTML element	Returns the element of the item
get_textElement	none	HTML element	Returns the element of the item
get_imageElement	none	HTML element	Returns the image element of the item
get_checkBoxElement	none	HTML element	Returns the checkbox element of the item
get_cssClass	none	string	Gets the cssClass of the RadListBoxItem.
set_cssClass	string	none	Sets the cssClass of the RadListBoxItem.

 Example 1: Demonstrates the usage of the get_attributes method

JavaScript

var listbox = $find("<%= RadListBox1.ClientID %>");
var foundItem = listbox.findItemByAttribute("Population", "0");
var attributes = foundItem.get_attributes();
var size = attributes.getAttribute("size");
if (size) {
	attributes.setAttribute("Population", size);
	attributes.removeAttribute("size");
}
else {
	attributes.setAttribute("Population", "Unknown");
}

See Also

• RadListBox Object

• Overview

• Add/Remove/Disable Items on the client Demo