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HomeHomeDevelopment and...Development and...DNN Platform (o...DNN Platform (o...How to handle CORS in mobile app calling DNN 7 WebAPI ServicesHow to handle CORS in mobile app calling DNN 7 WebAPI Services
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4/27/2013 3:13 AM
 
Rodney Joyce


www.pokerdiy.com
Joined: 4/28/2004
Posts: 2796

I am writing an iPhone app using Jquery/HTML5 (PhoneGap). I exposed a HelloWorld WebAPI service in DNN as per this article. This all works great.

I made a simple HTML page to call the service via Jquery. This works fine if the HTML page is on the same domain/server, however when I call it locally I get the CORS error: 

XMLHttpRequest cannot load   "...DesktopModules/frameworkservices/api/.... Originhttp://www.dnndev.me is not allowed by Access-Control-Allow-Origin. 

From my understanding, ALL web Mobile APPS (not MVC or Mobile Websites) will have this problem, however it seems I am doing something wrong as no one has hit this problem before on DNN.

I tried the solution suggested here (updated web config and tried the attribute) but neither work. Am I doing something wrong?


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4/27/2013 4:50 AM
 
Richard Howells


Richard Howells's Avatar

www.dynamisys.co.uk
Joined: 3/26/2006
Posts: 2001
Hi Rodney,

DISCLAIMER - I know nothing about this, but it's caught my interest because I may have to do somthing similar.

A bit of googling hit this sample app:
http://coenraets.org/blog/2011/10/sam... - his service is PHP but that should not matter as your problem is at the client end

...and this...
http://stackoverflow.com/questions/12...

...which is not really your question, but includes two interesting lines...
jQuery.support.cors = true;
$.mobile.allowCrossDomainPages = true;

...which sound relevant to your situation. Maybe researching them will help you.
Best wishes,
- Richard
Agile Development Consultant, Practitioner, and Trainer
www.dynamisys.co.uk
 
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4/27/2013 5:00 AM
 
Rodney Joyce


www.pokerdiy.com
Joined: 4/28/2004
Posts: 2796
Thanks Richard, I checked you the SO link - however, this is a JQuery Mobile property (which I am not using, although I will look into this)

http://forum.jquery.com/topic/cross-d...

and it still needs to have the corresponding headers on the Server side.

I checked out Bruce's example here (DNNDash) and it does not seem to cater for it in the code.
https://dnndashservice.codeplex.com/S...

Also - it sounds like we are getting server-side CORS support in the next version of ASP web stack - http://weblogs.asp.net/scottgu/archiv... - I am reluctant to try the Nightly Builds... I'll keep googling...

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4/27/2013 6:10 AM
 
Richard Howells


Richard Howells's Avatar

www.dynamisys.co.uk
Joined: 3/26/2006
Posts: 2001
Take care with jQuery Mobile.

I know there are problems getting jQuery mobile to play nicely with WebForms and the ScriptManager. A pal of mine blogged about it

http://dotnet.learningtree.com/2012/1...
Best wishes,
- Richard
Agile Development Consultant, Practitioner, and Trainer
www.dynamisys.co.uk
 
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5/2/2013 7:48 AM
 
Avinash Kumar


Joined: 11/16/2011
Posts: 156
Hi,

Even I faced this problem. Developed web api and when I tried to consume using jquery, it was working fine when the web api was at my end, but it was showing error when I deployed the web api to different server.

Thanks,
Avinash Kumar
Mindfire Solutions

 
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