AllowGet JsonRequestBehavior

Getting the following error:
This request has been blocked because sensitive information could be disclosed to third party web sites when this is used in a GET request. To allow GET requests, set JsonRequestBehavior to AllowGet.

Try to add “JsonRequestBehavior.AllowGet” to your return statement.

public JsonResult GetJsonData()
    MetricValue m = new MetricValue();
    m.Error = "234";
    m.SnapshotId = 4;
    return Json(m, JsonRequestBehavior.AllowGet);

now my output is:



What's your thoughts on this?


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