call a page within subdomain using ajax

Question

I need to read a page content on my sub-domain using ajax get. I thought of creating some script on my sub-domain and calling that script on my domain. however I don't know how to do it.

Is it possible to do such a thing? how?

EDIT:

I created a page in my domain that uses DownloadString and downloads that page and write down the result. any better ideas?

whats hapening now? browsers block cros-domain ajax unless you use jsonp, but calling to subdomain should not be blocked — Scott Selby, Mar 18 '13 at 15:07
calling to subdomain is also blocked. I can do anything on my subdomain but don't know what to do — Ashkan Mobayen Khiabani, Mar 18 '13 at 15:08
calling to subdomain will still be blocked, sub-domain is not same-origin. The easiest most cross-browser solution would be to use JSONP — Kevin B, Mar 18 '13 at 15:08
This post helped me before: http://www.jquery4u.com/json/jsonp-examples/ — Sandeep Bansal, Mar 18 '13 at 15:12
http://en.wikipedia.org/wiki/Same_origin_policy#document.domain_property — CBroe, Mar 18 '13 at 15:12
duplicated: http://stackoverflow.com/questions/5106178/get-json-from-subdomains-with-jquery — giammin, Mar 18 '13 at 15:14
@SandeepBansal I have read about jsonp but as I understood, it doesn't work in older versions of IE — Ashkan Mobayen Khiabani, Mar 18 '13 at 15:15
isn't it possible to write a script on subdomain and call it? — Ashkan Mobayen Khiabani, Mar 18 '13 at 15:22

Chris Baxter · Accepted Answer · 2013-03-18T15:47:34.710

If you wish to support cross-domain AJAX requests, you will need to create a cross origin resource sharing handler (CORS). I don't have an example specific to asp.net, but if you are using MVC this is fairly simply to achieve (and would be fundamentally the same for WebForms).

A Web API example may be found here to get you started: CorsHandler.cs

Also, if you need to support IE 7, 8 or 9 you would want to look in to a jQuery extension lib such as jQuery-ajaxTransport-XDomainRequest

EDIT

If you would like to look at a full example (again Web API unfortunately), here is a MSDN article with a full code example Implementing CORS support in ASP.NET Web APIs

score 0 · Answer 2 · answered Mar 18 '13 at 18:03

0

You can also sometimes manipulate document.domain in JS. So if you're serving pages from www.site.com, and your Ajax services are hosted at app.site.com, set your document.domain to site.com.

answered Mar 18 '13 at 18:03

joelt

2,672
2
24
32

call a page within subdomain using ajax

2 Answers2