How Can I Get Data Compression

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C#

ASP.NET

REST

How can I get data Compressed using Web Api

in c#

[HttpGet]
[DeflateCompression]
public HttpResponseMessage Get()
{
    var response = new HttpResponseMessage();
    try
    {
        StringBuilder SBHtmltags = new StringBuilder();
       
        response.Content = new StringContent("test compression data");
        response.Content.Headers.ContentType = new MediaTypeHeaderValue("text/html");
    }
    catch (Exception ex)
    {
        return ControllerContext.Request.CreateResponse(HttpStatusCode.InternalServerError, ex.Message);
    }
    return response;
}

in java script

$.ajax({
                type: 'GEt',
                url: URI,
                contentType: 'application/json; charset=utf-8',
                data: ContentDataObject,
                AcceptEncoding: "gzip, deflate, sdch",
                dataType: 'text',
                accept: 'application/json charset=utf-8'
            }).done(function (ResultData) {
                $('#dvResult').text(ResultData);
            }).error(function (jqXHR, textStatus, errorThrown) {
                $('#dvResult').text(jqXHR.responseText || textStatus);
            });

but in browser network response still display as "test compression data" how can i make sure if data compressed or no