asp.net mvc - how to write ajax request in javascript

Question

i would like to update follow div with ajax request written in javascript method.

asp.mvc view:

<div id="feed" onload="GetFeeds()">
            <span id="feeds" runat="server">
                    <%= Model.Feeds %>
            </span>
        </div>

what schould i do in javasript?:

<script type="text/javascript">

   // some AJAX Request with 'feed' Update, but HOW??
   document.getElementById('feed');

    function GetFeeds() { 
    // need to call method from HomeModel.cs GetAllFeeds()??
    // or i should to write hole methode here?
    }

</script>

it schould work without any controller action. method for FeedUpdating is written in HomeModel.cs / GetAllFeeds() and it works. I need just call it from javascript

melaos · Accepted Answer · 2011-01-19 10:10:11Z

2

if you don't mind then use jquery $.get function.

answered Jan 19, 2011 at 10:10

melaos

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3 Comments

r.r Over a year ago

what is jquery, schould i install this seperatly?

Gideon Over a year ago

MVC is kind of build with jQuery in mind (they jQuery with it, and in MVC3 the ajax stuff is build upon jQuery)

Gideon Over a year ago

Knowledge of jQuery or any other kind of javascript framework is kind of a must in modern day website developed. Go to jquery.com and follow the tutorials.

Rob Stevenson-Leggett · Accepted Answer · 2011-01-19 10:10:36Z

1

Highly recommend using jQuery

$.ajax( 
   url: 'http://localhost/feeds/feed1',
   type:'GET',
   dataType: 'json',
   success: function(data) { 
         //Process data
   },
   error: function(error) { }
);

It does all the heavy lifting for you and is tested on many more browsers than you will be able to test on in your lifetime :)

answered Jan 19, 2011 at 10:10

Rob Stevenson-Leggett

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2 Comments

r.r Over a year ago

is $.ajax in <script type="text/javascript"> tags?

Rob Stevenson-Leggett Over a year ago

Yes. As said above you should read the documentation and look at jQuery examples. It really is easy. Make sure you look at the $(document).ready() part api.jquery.com/ready - it's important.

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