SYSK 354: How To Determine If The Page_Load Event Is Triggered by a Standard Page Postback or by the UpdatePanel?

posted by  mneon (8)  12 months ago (blogs.msdn.com)

Ok, so you’re in a Page_Load code block, and the this.Page.IsPostBack returns true . How do you know if the request is due to a “standard” page postback or as a result of an UpdatePanel triggered postback resulting in a partial page update? The answer...(read more)