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I have an html page, which is a dynamically created asp/aspx page on http://host2.mydomain.com. I have no control over the html page. I cannot modify it in any such way. I cannot modify this page; so, setting document.domain is out of the question, unfortunately. This html page is compiled by a 3rd-party vendor and the code is close-source; I cannot view it or change it. I want to retrieve and display this page on http://host1.mydomain.com/page1.jsp using Ajax.

FYI: host1 is being served by IIS 7 and Apache Tomcat (for JSP pages). And host2 is using IIS 7 and ASP.

How can I retrieve this page using a Ajax POST request?

Thank you.

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5 Answers 5

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YQL http://developer.yahoo.com/yql/
and
JSON-Phttp://en.wikipedia.org/wiki/JSONP

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Thank you for your suggestion. Will these methods work, even though I have no control over the html page on host2.mydomain.com and it was not designed to encode/decode JSONP?
use YQL. It return complete html of the requested page
Thank you. What about JSONP? I thought JSONP is only useful if the page being requested is aware that it must encode JSONP. Is that correct?
JSON or JSON-P is used when server return data in JSON format. JSON-P is used to ByPass the same origin policy.
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By setting proper CORS headers if you are using modern browsers. Have a look here

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You are just going across subdomains so can do it using an iframe, look to this question - A question about cross-domain (subdomain) ajax request

The solution referenced: http://www.tomhoppe.com/index.php/2008/03/cross-sub-domain-javascript-ajax-iframe-etc/

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Thank you for your help. This would be a great solution if I could modify both pages; however, as I said in the question, I don't have access to the html page.
Could you just not use ajax and rather include the first page as an iframe on the second page?
I could but the issue I'm having with that is out of the scope of the question I posed. Thank you for your suggestion, though.
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you write a server-side script to retrieve the page contents, then you use Ajax to request your script

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Thank you very much for your suggestion. How can this be done, though? One box is IIS/Tomcat and the other is IIS/ASP. How can I write a Java/JSP script which will talk to the IIS/ASP box and retrieve it's dynamically created html page. I would need at least need some sort of web service which hands off requests from each box.
Hi, sorry I'm afraid I can't help you! I am a PHP developer, I have not clue how to do it otherwise
Yeah, PHP is my forte, as well. I prefer it. Thank you though for your help.
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You can't with a standard AJAX call due to cross-domain policies, you would have to use JSONP or a form of JSONP http://en.wikipedia.org/wiki/JSONP

Also, a common "gotcha" is that the cross-domain policies prevent secure to non-secure ajax as well. So a https:// page cannot request a http:// page and vice versa/

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Thank you very much for your help. Unfortunately, JSONP is not an option for me since I cannot edit the html page from the ASP side. (complicating matters is one host is JSP and the other is ASP).

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