public async Task <JsonResult> Delete(string ioNumber, int lineNumber)
        {
            if (SiteUser == null)
            {
                return(Json(new { success = false, message = "Det gick inte att ta bort raden!" }, JsonRequestBehavior.AllowGet));
            }

            var deleted = await _deliveryNoteRepository.DeleteDeliveryAssuranceAsync(ioNumber, lineNumber);

            return(Json(new { success = deleted, message = !deleted ? "Det gick inte att ta bort raden!" : string.Empty }, JsonRequestBehavior.AllowGet));
        }