[Route("upload")]
    [HttpPost]
    public async Task<HttpResponseMessage> Upload()
    {
        try
        {
            if (!Request.Content.IsMimeMultipartContent()) {
                Request.CreateResponse(HttpStatusCode.UnsupportedMediaType);
            }

            var provider = GetMultipartProvider();

            var result = await Request.Content.ReadAsMultipartAsync(provider);

            //Get Album name from Form
            var titleOfAlbum = GetTitleOfAlbum(provider);
            //get path to file
            var pathToCoverDecoded = result.FileData.First().LocalFileName;
            var a = "../Files/" + pathToCoverDecoded.Substring(pathToCoverDecoded.IndexOf("BodyPart"));
            Album al = new Album();
            al.Title = titleOfAlbum;
            al.PathToCover = a;
            db.Albums.Add(al);
            db.SaveChanges();

            return new HttpResponseMessage(HttpStatusCode.OK);


        }
        catch (System.Exception e)
        {
            return Request.CreateErrorResponse(HttpStatusCode.InternalServerError, e);
        }
    }

    private string GetDesereleazedFileName(MultipartFileData fileData)
    {
        var fileName = GetFileName(fileData);
        return JsonConvert.DeserializeObject(fileName).ToString();
    }

   private string GetFileName(MultipartFileData fileData)
    {
        return fileData.Headers.ContentDisposition.FileName;
    }

    private MultipartFormDataStreamProvider GetMultipartProvider()
    {
        var uploadFolder = HttpContext.Current.Server.MapPath("~/Files");
        if (Directory.Exists(uploadFolder) == false)
        {
            Directory.CreateDirectory(uploadFolder);
        }

        return new MultipartFormDataStreamProvider(uploadFolder);
    }

    private string GetTitleOfAlbum(MultipartFormDataStreamProvider provider)
    {
        var titleOfAlbum = "";
        foreach(var key in provider.FormData.GetValues(0))
        {
            titleOfAlbum = key;
        }

        return titleOfAlbum;
    }


}

<div ng-repeat="itm in albumsArray">
<img src="{{itm.pathToCover}}"  width="100"/>

<div ng-repeat="itm in albumsArray">
<img src="../Files/BodyPart_efe0671e-f9fa-4ab3-8503-18ea042eb6ea"  width="100"/>

var bytes = Encoding.UTF8.GetBytes(a);
 var base64 = "~/Files/" +  Convert.ToBase64String(bytes);