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)); } }