ASP.NET AJAX > Server Reference > System.Web.UI Namespace > UpdatePanelTriggerCollection Class

Replaces the trigger at the specified index in the UpdatePanelTriggerCollection object.

Syntax

protected override void SetItem (
	int index,
	UpdatePanelTrigger item
)

Protected Overrides Sub SetItem ( _
	index As Integer, _
	item As UpdatePanelTrigger _
)

protected:
virtual void SetItem (
	int index, 
	UpdatePanelTrigger^ item
) override

protected void SetItem (
	int index,
	UpdatePanelTrigger item
)

index (Int32): The zero-based index of the trigger to replace.
item (UpdatePanelTrigger): The new value for the trigger at the specified index. The value can be null for reference types.

You can replace an element in the UpdatePanelTriggerCollection object with an AsyncPostBackTrigger object, a PostBackTrigger object, or any custom trigger that derives from UpdatePanelTrigger.