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Which one is better to use in ASP.NET MVC?

flag	asked 2 days ago Eric 43●2

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sighohwell · Accepted Answer · 4/22/2009 10:37:03 PM UTC

Personally I prefer jQuery for the following reasons:-

The plug-in community is far more varied and attracts developers from a broad range of backgrounds (not just the MS stack). For MS-AJAX you're pretty much constrained to the clientside AJAX control toolkit for your UI widgets at the moment.
I find the jQuery API far more applicable common clientside tasks than that offered by MS AJAX
Given the lack of WebForms smoke and mirrors going on in MVC you sometimes need a firm control over the DOM to do certain things, the CSS selector engine offered by jQuery really helps you do this.

In terms of what MS AJAX offers you in MVC, it can do a lot for you in terms of giving you a quick way to "AJAXify" forms and links, but as far as I'm concerned adding 90kb worth of javascript to do that isn't really worth it when the equivalent calls in jQuery (e.g $.get, $.post, $(element).load) are relatively easy to use.

David Robbins · Answer 2 · 4/22/2009 7:39:27 PM UTC

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Instead of making a recommendation I suggest you read Dave Ward's blog Encosia that has a series of posts on MS Ajax/ Update Panel vs. jQuery post mechanism. Dave maintains that the performance of jQuery is vastly superior as it cuts out approximately 100K from the transmission to and from the server.

answered 2 days ago

David Robbins
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Those posts are more concerned with WebForms rather than MVC. The 100k saving mentioned in that post is usually the junk that goes along with an UpdatePanel (ViewState the Delta etc). In MVC what's going back and forth along the wire should be roughly equivalent (it's just the abstraction above the XmlHttpRequest that differs). – sighohwell 2 days ago

I get the feeling that I will be migrating to the MVC as I find the WebForms frustrating because it seems there are so many hoops to jump through to implement advanced Ajax techniques. – David Robbins 2 days ago

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Steve Willcock · Answer 3 · 4/22/2009 2:49:40 PM UTC

Personally, despite the HtmlHelper support for ASP.NET Ajax, I find jQuery ajax in conjunction with the JQuery forms plugin to be the nicest way to do ajax form posts in ASP.NET MVC.

e.g. with a jquery call on an html product list page with a form for each product allowing the item to be added to a basket, a single line of jquery code can 'ajaxify' all the forms on the page

$(".productListItem form").ajaxForm({ target: '#extraInfoSection' });

combined with a simple 'IsAjaxRequest' property on a controller base class that checks the headers:

Request.Headers["X-Requested-With"] == "XMLHttpRequest"

and some logic in the Controller to return the correct response type:

return IsAjaxRequest ? (ActionResult) View("BasketPartial", basket) : new RedirectBackToReferrerActionResult();

you have a form that works even with javascript turned off and no ASP.NET Ajax involved.

Hoghweed · Answer 4 · 4/22/2009 2:53:10 PM UTC

First of all, it could be useful to take in mind that ASP.NET MVC doesn't support, or better, doesn't has the postback concept..

asp.net ajax it's based on the post-back, server-side mechanism, it's mission it's to make more easy to integrate ajax features in a server-side mode
jQuery, as other frameworks (eg Extjs) implements a pure client-side ajax

It's still possible to use asp.net server controls in asp.net mvc, asp.net ajax it's one of them, but asp.net mvc it's made, it was thought, to separate concerns (views) and to be REST styled as close as possible, so taking this in mind the final thought would be:

Using ASP.NET Web Forms ASP.NET AJAX it's the right choiche
Using ASP.NET MVC it's better to try to go client, so jQuery (or others) is the better

Sorry for my english

Peter Mourfield · Answer 5 · 4/22/2009 3:04:22 PM UTC

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Use ASP.NET AJAX with Web Forms and jQuery with ASP.NET MVC

answered 2 days ago

Peter Mourfield
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knut · Answer 6 · 4/22/2009 2:39:30 PM UTC

I would like to mention that Microsoft supports JQuery, and they will make support for it in upcoming versions of Visual Studio. For more information please visit http://live.visitmix.com/. ASP.NET AJAX and jQuery does not overlap much, so you would like to use both.

Charlie · Answer 7 · 4/22/2009 2:40:16 PM UTC

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JQuery is purely client side library. Asp.Net Ajax includes both client side and server side functionalities. IMHO, comparison ain't really fair. They might complement each other going by Microsoft's plans.

answered 2 days ago

Charlie
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tvanfosson · Answer 8 · 4/22/2009 2:46:25 PM UTC

There is a variant of ASP.NET AJAX for MVC -- used with the AjaxHelper and extensions. This works well in concert with jQuery. I have instances where I use both on the same page; using MVC AJAX to update a DIV based clicking a button and using jQuery to get JSON data for a different operation on the same page. Standard ASP.NET AJAX (UpdatePanels, etc.) should be used in the WebForms world, not in MVC.

ASP.NET AJAX vs jQuery in ASP.NET MVC

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