IE prompts to open or save json result from server

Question

Internet explorer in compatibility mode gets the data from the server in an ajax callback method  and pops-up a dialog if I want to save the data or open  How to get rid of that    client says      ajax           type  POST           data      UIdlgHolder  gt  form   serialize            url      UIdlgHolder  gt  form   attr  action            success  function  data  textStatus  jqXHR                                  alert data message                     server answers   return new JsonResult   Data   new   result   false  message    Yay

User · Accepted Answer

Sounds like this SO question may be relevant to you:

How can I convince IE to simply display Application json rather than offer to download

If not:

Have you tried setting the dataType expected in the ajax options? i.e. dataType: 'json'

Have you tried other content types such as 'application/json' or 'text/javascript'

User · Answer

Is above javascript code the one you re using in your web application   If so - i would like to point few errors in it  firstly - it has an additional     sign in definition of  success  callback function secondly - it has no     sign after definition of ajax callback  Valid code should look like     ajax           type  POST           data   args           url    Url Action  PostBack             success  function  data  textStatus  jqXHR                    alert data message                           try using above code - it gave me  Yay  alert on all 3 IE versions   7 8 9

User · Answer

I faced this while using jQuery FileUpload plugin   Then I took a look in their documentation  most exactly in the Content-Type Negotiation section and followed their suggestion for Ruby Rails   render json   lt some-data gt   content type  request format    Which fixed the issue for me   Quick Explanation  for old IE Opera versions  this plugin will use an iframe with text plain or text html content-type  so if you force the response to json  browser will try download it  Using the same content-type as in the request will make it work for any browser

User · Answer

Have you tried to send your ajax request using POST method   You could also try to set content type to  text x-json  while returning result from the server

User · Answer

Sadly  this is just another annoying quirk of using Internet Explorer   The simple solution is to run a small  reg file on your PC  to tell IE to automatically open  json files  rather than nag about whether to open save it  I ve put a copy of the file you ll need here  JSON mime type You ll need to have Admin rights to run this

User · Answer

If using MVC  one way of handling this is to implement a base controller in which you override  hide  the Json object  method as follows   public class ExtendedController   Controller       protected new JsonResult Json object data                if   Request AcceptTypes Contains  application json                return base Json data   text plain            else             return base Json data             Now  your controllers can all inherit ExtendedController and simply call return Json model         without modifying the response content type for those browsers which play nicely  not  lt  IE9    without having to remember to use Json data   text plain   in your various Ajax action methods   This works with json requests which would otherwise display the  Open or Save  message in IE8  amp  IE9 such as those made by jQuery File Upload

User · Answer

In my case  IE11 seems to behave that way when there is some JS syntax error in the console  doesn t matter where exactly  and dataType   json  has no effect at all

User · Answer

I changed the content-type to  text html  instead of  application json  server side before returning the response  Described it in a blog post  where other solutions have also been added   http   blog degree no 2012 09 jquery-json-ie8ie9-treats-response-as-downloadable-file

User · Answer

Even though it s not supposedly the correct way  setting the content type to text html made IE deal with this correctly for me   return Json result   text html      Works in all the version that F12 tools gives you in IE9

[internet-explorer] IE prompts to open or save json result from server

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