I am using JQuery ajax jsonp. I have got below JQuery Code:
$.ajax({ type:\"GET\", url: \"Login.aspx\", // Send
JsonP only works with type: GET,
More info (PHP) http://www.fbloggs.com/2010/07/09/how-to-access-cross-domain-data-with-ajax-using-jsonp-jquery-and-php/
.NET: http://www.west-wind.com/weblog/posts/2007/Jul/04/JSONP-for-crosssite-Callbacks