ViewClient.js

import React, { Component } from 'react';
import { Badge, Col, Nav, NavItem, NavLink, Row, TabContent, TabPane } from 'reactstrap';
import classnames from 'classnames';
import axios from 'axios';


class ViewClient extends Component {
    constructor(props) {
        super(props);
        this.state = {
            clients:[],
            Code: '1111'
            
       
        };
        this.toggle = this.toggle.bind(this);
        this.state = {
            activeTab: '1',
        };
    }

    toggle(tab) {
        if (this.state.activeTab !== tab) {
            this.setState({
                activeTab: tab,
            });
        }
    }
    componentDidMount() {
   
 const   Code =this.state.Code
         axios.get(`http://localhost:4000/app/viewclient/${Code}`)
       
            .then(response => {
                if (response && response.data) {
                    this.setState({ clients: response.data });
                }
            })
            .catch(error => console.log(error));
    } 

    render() {
        let { clients } = this.state;
        // let { clients } = this.state;
        return (
            <div className="animated fadeIn">
        <Row>
         
           <Col xs="12" md="6" className="mb-4">
            <Nav tabs>
              <NavItem>
                <NavLink
                  className={classnames({ active: this.state.activeTab === '1' })}
                  onClick={() => { this.toggle('1'); }}
                >
                  <i className="fa fa-info"></i> <span className={this.state.activeTab === '1' ? '' : 'd-none'}> Détails</span>
                </NavLink>
              </NavItem>
              <NavItem>
                <NavLink
                  className={classnames({ active: this.state.activeTab === '2' })}
                  onClick={() => { this.toggle('2'); }}
                >
                  <i className="fa fa-credit-card"></i> <span
                  className={this.state.activeTab === '2' ? '' : 'd-none'}> Factures</span>
                </NavLink>
              </NavItem>
              <NavItem>
                <NavLink
                  className={classnames({ active: this.state.activeTab === '3' })}
                  onClick={() => { this.toggle('3'); }}
                >
                  <i className="fa fa-truck"></i> <span className={this.state.activeTab === '3' ? '' : 'd-none'}> Bons de livraison</span>
                </NavLink>
              </NavItem>
            </Nav>
            <TabContent activeTab={this.state.activeTab} style={{ height:"420px"}}>
              <TabPane tabId="1">
               <ul>
               {
                       clients &&  clients.map(client => (
                            <li key={client.Code}>
                         <h1> Code client :    {client.Code} </h1>
                             {client.Prenom}
                              {client.Nom}
                              {client.FAX}
                             {client.Telephone}
                               {client.Email}
                                {client.Adresse1}
                                 {client.Adresse2}
               </li>
               ))}
               </ul>
              </TabPane>
              <TabPane tabId="2">
                
              </TabPane>
              <TabPane tabId="3">
              
              </TabPane>
            </TabContent>
          </Col>
          
        </Row>
      </div>
        );
    }
}

export default ViewClient;