Gets or sets a Boolean value that indicates whether enable the embedded script.

Enables browser back/forward buttons state (browser history). Please, review the KaxAjax "Changes and backwards compatibility" - "Back and Forward buttons" article for more info.

By design ASP.NET AJAX Framework cancels the ongoing ajax request if you try to initiate another one prior to receiving the response for the first request. By setting the RequestQueueSize property to a value greater than zero, you are enabling the queuing mechanism of KaxAjax that will allow you to complete the ongoing request and then initiate the pending requests in the control queue.