public IActionResult VerifyOutboundOrderLinePack(long ixOutboundOrderLinePack, string sOutboundOrderLinePack)
        {
            string validationResponse = "";

            if (!_outboundorderlinepackingService.VerifyOutboundOrderLinePackUnique(ixOutboundOrderLinePack, sOutboundOrderLinePack))
            {
                validationResponse = $"OutboundOrderLinePack {sOutboundOrderLinePack} already exists.";
            }
            if (validationResponse != "")
            {
                return(Json(validationResponse));
            }
            else
            {
                return(Json(true));
            }
        }