Raised after the response from the server to an asynchronous postback is received but before any content on the page is updated.
Sys.WebForms.PageRequestManager.getInstance().add_pageLoading(pageLoadingHandler) Sys.WebForms.PageRequestManager.getInstance().remove_pageLoading(pageLoadingHandler)
Term
Definition
pageLoadingHandler
The name of the handler function that will be called.
The pageLoading event is raised after the response from the server to an asynchronous postback is received but before any content on the page is updated. You can use this event to provide a custom transition effect for updated content.
For more information about the PageRequestManager event model, see Working with PageRequestManager Events.