public IActionResult VerifyReceipt(long ixReceipt, string sReceipt) { string validationResponse = ""; if (!_receivingService.VerifyReceiptUnique(ixReceipt, sReceipt)) { validationResponse = $"Receipt {sReceipt} already exists."; } if (validationResponse != "") { return(Json(validationResponse)); } else { return(Json(true)); } }