calling asp.net mvc with jQuery Load from asp.net webforms

Question

I have two sites one is written in asp.net webforms and the other one is written in asp.net mvc 2. I have a page in webforms wich uses jQuery Load to get data from both projects.

Code from the page in asp.net webforms:

$("#divFeedsPorTagMVC").load('http://localhost:50001/InfoMVC/?tag=java', function (){});

$("#divFeedsPorTagWebForms").load('http://localhost:50000/InfoWebForms.aspx?tag=java', function () {}});

Divs in aspx page:

<div id="divFeedsPorTagWebForms" ></div>
<div id="divFeedsPorTagMVC" ></div>

The jQuery call to WebForms works well and fills the "divFeedsPorTagWebForms" with the HTML i need.
The jQuery call to MVC2 enters to the Index function of the InfoMVCController(debug mode), shows that the tag param is being passed well, but doesn´t fill the "divFeedsPorTagMVC" div with the HTML it's suppossed to return.

Any suggestions?
Thanks.

EDIT Controller:

 public class InfoMVCController : Controller
    {
        private ServicioSORSS.ServicioSORSSClient _srvSORSS = new ServicioSORSSClient();

        //
        // GET: /InfoWebForms/

        public ActionResult Index(string tag)
        {
            return View(_srvSORSS.ObtenerFeedsPorTag(tag));
        }

    }

If I just copy the URL and paste it in the nav bar of firefox it does return all the data i need!

Have you tried using something like HttpFox or Fiddler or some other tool to see what response you're getting? — Justin Helgerson
– Justin Helgerson, Commented Apr 6, 2012 at 19:47
What do you get if you just load http://localhost:50001/InfoMVC/?tag=java in a browser? — AndrewR
– AndrewR, Commented Apr 6, 2012 at 19:48
Can you post the controller code for the MVC action method that you are calling? — mreyeros
– mreyeros, Commented Apr 6, 2012 at 19:49
I think that the issue is that the webforms app does not know how to handle the ActionResult and you may need to return the result as a string. — mreyeros
– mreyeros, Commented Apr 6, 2012 at 20:00

AndrewR · Accepted Answer · 2012-04-06 20:03:31Z

1

You are running into a problem with Same origin policy. You browser isn't allowing the load, because it's coming from a different site.

Look into the standard $.ajax() function, and use jsonp as the dataType.

It will be something like:

$.ajax({
    type: "GET",
    url: "http://localhost:50001/InfoMVC/?tag=java",
    dataType: "jsonp",
    success: function(data){
        $('#divFeedsPorTagMVC').html(data);
    }
});

answered Apr 6, 2012 at 20:03

AndrewR

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1 Comment

euther Over a year ago

have to tell you i didn´t know anything about this! and you´re right, that was my problem! i can´t use $.ajax because i´m doing a research about jquery load! i ended up publishing each site inside localhost this way: localhost/webforms and localhost/mvc and that way i can call the jquery load without any problems! Thanks for your help.

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