postBack Property

Gets postback flag.One of the following: 0 - do not trigger postback, 1 - trigger full postback, 2 - trigger async postback.

Syntax

ASP.NET Ajax Javascript (Specification)
function get_postBack() : Number function set_postBack(value : Number)

ASP.NET Ajax Javascript (Usage)
var resultVar = instanceOfPostBackEventArgs.get_postBack();