Sys.WebForms.EndRequestEventArgs response Property
Gets a response object that is represented by the Sys.Net.WebRequestExecutor class.
To get or set property values for client API properties, you must call property accessor methods that are named with the get_ and set_ prefixes. For example, to get or set a value for a property such as cancel, you call the get_cancel or set_cancel methods.
var response = args.get_response();
A response object that is represented by the WebRequestExecutor class.
Use the response object's aborted property to determine whether the response was stopped.