May 15, 2011 · Possible Duplicate: How does AJAX work? Note: This is a community wiki post I've often heard of AJAX being used for providing a user with dynamic content. What is it and how does it work?

Oct 2, 2009 · The author, an Ajax expert, demonstrates how these technologies work together -- from an overview to a detailed look -- to make extremely efficient Web development an easy reality. He also unveils the central concepts of Ajax, including the XMLHttpRequest object.

16 When you return value from server to jQuery's Ajax call you can also use the below code to indicate a server error: return StatusCode(500, "My error"); Or return StatusCode((int)HttpStatusCode.InternalServerError, "My error"); Or Response.StatusCode = (int)HttpStatusCode.InternalServerError; return Json(new { responseText = "my error" });

Dec 25, 2009 · I have a form with name orderproductForm and an undefined number of inputs. I want to do some kind of jQuery.get or ajax or anything like that that would call a page through Ajax, and send along a...

Mar 16, 2011 · The only way to return the data from the function would be to make a synchronous call instead of an asynchronous call, but that would freeze up the browser while it's waiting for the response. You can pass in a callback function that handles the result: function testAjax(handleData) { $.ajax({ url:"getvalue.php", success:function(data) { handleData(data); } …

Apr 24, 2013 · Learn how to make a simple Ajax call to an ASP.NET MVC controller with step-by-step guidance and code examples.

Sep 9, 2013 · The Jquery.ajax documentation says that there is a flag called processData that controls whether this encoding is done automatically or not. The documentation says that it defaults to true, but that is not the behavior I observe when POST is used.

Oct 14, 2008 · I'm using $.post() to call a servlet using Ajax and then using the resulting HTML fragment to replace a div element in the user's current page. However, if the session times out, the server sends a

Feb 24, 2010 · File upload is not possible through AJAX. You can upload file, without refreshing page by using IFrame. You can check further details here.

You could also make the ajax call more generic, reusable, so you can call it from different CRUD (create, read, update, delete) tasks for example and treat the success cases from those calls.