OnItemCheckedChanged

The itemCheckedChanged event occurs when user changes the checked state of an item in RadCheckBoxList.

The event handler receives two parameters:

1. The instance of the loaded RadCheckBoxList control.

2. An eventArgs parameter of type Telerik.Web.UI.ButtonListEventArgs, containing the following properties and methods:

   • get_item() - returns an instance of type Telerik.Web.UI.ButtonListItem

Example 1: Handling RadCheckBoxList OnItemCheckedChanged event.

ASP.NET

<script type="text/javascript">
	function OnItemCheckedChanged(sender, args) {
		var selectedLanguage = args.get_item().get_text();
		alert("Checked state changed on " + selectedLanguage + " language!");
	}
</script>

<telerik:RadCheckBoxList runat="server" ID="RadCheckBoxList1">
	<ClientEvents OnItemCheckedChanged="OnItemCheckedChanged" />
	<Items>
		<telerik:ButtonListItem Text="English" Selected="true" />
		<telerik:ButtonListItem Text="German" />
		<telerik:ButtonListItem Text="French" />
	</Items>
</telerik:RadCheckBoxList>

See Also

• CheckBoxList Object

• Events Overview

• OnLoad (load)

• OnItemLoad (itemLoad)

• OnItemClicking (itemClicking)

• OnItemClicked (itemClicked)

• OnSelectedIndexChanging (selectedIndexChanging)

• OnSelectedIndexChanged (selectedIndexChanged)

• OnItemMouseOver (itemMouseOver)

• OnItemMouseOut (itemMouseOut)