public string UpdateFacturaTicket(int IdUser, int IdFactura, string FacturaSerial) { GestionDataSetTableAdapters.QueriesTableAdapter QTA = new GestionDataSetTableAdapters.QueriesTableAdapter(); if (QTA.UpdateFacturaTicket(IdUser, IdFactura, FacturaSerial) > 0) { return("ok"); } else { return("null"); } }