public IActionResult Update(
            [FromForm] string ArticleNo,
            [FromForm] string ArticleName,
            [FromForm] string Description,
            [FromForm] string Category,
            [FromForm] decimal PriceInSEK)

        {
            JSONData jSONData = new JSONData();
            string   result   = jSONData.Update(ArticleNo, ArticleName, Description, Category, PriceInSEK);

            if (result == "no such category")
            {
                return(Get(result));
            }
            else
            {
                return(Get());
            }
        }