/// <summary> ///if refNumberInvoice exit return false and other way return true /// </summary> /// <param name="refNumberInvoice"></param> /// <returns>Bool</returns> public bool SpValidateRefNumberInvoicePay(string refNumberInvoice) { using (var db = new KoontabiDBEntities()) { return(db.Sp_ValidateRefNumberInvoicePay(refNumberInvoice).FirstOrDefault().Result.Value); } }