Documentation for: ASP.NET Ajax Version 1.0

This documentation is for a previous version. For the current released version, see the ASP.NET Ajax documentation on MSDN.








HasTriggered Method

Returns a Boolean value that indicates whether the trigger was fired.



protected internal override bool HasTriggered ()


Protected Friend Overrides Function HasTriggered As Boolean


protected public:
virtual bool HasTriggered () override


protected boolean HasTriggered ()

Return Value

Return Value

true if the trigger was fired; otherwise, false.


Control developers can override the HasTriggered() method to provide custom logic for determining whether the trigger fired. To see your custom trigger in the <Triggers> element of the UpdatePanel control, you can add a @ Register directive to the page or to the controls Element for pages (ASP.NET Settings Schema) section of the Web.config file.

Assembly: System.Web.Extensions (Module: System.Web.Extensions)