IE9 JSON Data “do you want to open or save this file”

Question

Started testing my jQuery applications with IE9. Looks like I may be in for some trouble here. I noticed that when I return JSON data back to the Javascript methods I always

Answer 1

I also faced this problem yesterday with WebAPI which returned a list of URLs (of asynchronously uploaded files).

Just set content type to "text/html" instead of default "application/json; charset=UTF-8" of WebAPI services. I got response as a JSON string and then used $.parseJSON to convert it to JSON object.

public async Task Upload()
{
  // ...
  var response = Request.CreateResponse(HttpStatusCode.OK, files);
  response.Content.Headers.ContentType = new MediaTypeHeaderValue("text/html");
  return response;
}

// result is an iframe's body content that received response.
$.each($.parseJSON(result.html()), function (i, item)
{
  console.log(item.Url);
});