constructor(props) {
    super(props);
    this.props = props;
    this.addRows = this.addRows.bind(this);
}

addRows() {
 console.log("AddRows")
}

<CreateQrModal
      show={modalAdd}
      onHide={this.modalAddClose}
      addrow={this.addRows}
/>

handleSubmit() {
    this.props.onRow()
  }