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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

    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