c# - IE wants to download JSON result....MVC3 -

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my mvc3 app uploads documents user our server. returning jsonresult display errors, if any:

  [httppost]      public jsonresult savedocument(documentmodel model, httppostedfilebase postedfile)     {          //my wonderful code          return json(new { success = true, message="ok" });       }

heres how submit request:

 var issubmitting = false;   var adddocumentoptions = {        beforesubmit: beforeadddocumentsubmit,  // pre-submit callback        success: afterdocumentsubmit  // post-submit callback    };   $('#btncreatedocument').click(function (e) {       e.preventdefault();       $('#diverror').html('');       if (!issubmitting) {           $('#createdocform').submit();       }     });

this javascript function runs when upload complete:

    function afterdocumentsubmit(responsetext, statustext, xhr, $form) {         if (responsetext.success) {             //no errors           } else {              $('#diverror').html('error: ' + responsetext.message);      }    }

in ff, chrome etc., javascript code runs fine, in ie, browser wants download json result text. download/open file dialog box shouldnt appear. how make ie not download json result , behave other browsers? thanks

i ran similar problem doing same in spring mvc on java. problem spring returning content-type of json result application/json, seems make ie want download it. can try changing content-type text/plain; ie won't prompt download file in case. suspect similar might happening here.

you try:

return json(new { success = true, message = "ok" }, "text/plain");

in response new problem: issue responsetext string. need convert javascript object. can this:

var response = json.parse(responsetext); if(response.success) {    ... }

most browsers support json.parse(). if you're having issues non-compliant browsers, can use json javascript library.


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