Its not a "postback", its a callback, and that is where your javascript
callback function is specified, depending on what AJAX framework you are
running.
For example, a typical JSON structure returned from an "AJAX" call would
actually invoke your javascript function by itself, passing in the JSON data
as an argument.
Regarding the "j" in AJAX, that's actually the ONLY letter in the acronym
that makes any sense:
A - asynchronous: not all Remote Scripting calls are async.
J - Javascript: yes - all Remote Scripting involves Javascript.
X - Xml: Just about nobody uses XML anymore with AJAX.
I liked it better when it was just called "Remote Scripting". That was 1998.
-- Peter
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