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Load HTML content via AJAX in React ListView component

We can set external HTML page content as template for our ListView component by making use of AJAX call.

        this.ajax = new Ajax('./template.html', 'GET', false);
        this.ajax.onSuccess = (e: string) => {
            this.template = e;
        };
        this.ajax.send();

In the below sample, we have rendered smartphone settings template from external HTML file.

Source
Preview
index.tsx
index.html
index.css
index.jsx
import * as ReactDOM from 'react-dom';
import * as React from 'react';
import { ListViewComponent } from '@syncfusion/ej2-react-lists';
import { Ajax } from '@syncfusion/ej2-base';

export default class App extends React.Component<{}, {}> {
  constructor(props: any) {
    super(props);
    this.ajax = new Ajax("./template.html", "GET", false);
    this.ajax.onSuccess = (e: string) => {
      this.template = e;
    };
    this.ajax.send();
  }
  //Define an array of JSON data
  public data: { [key: string]: Object }[] = [
    { name: "Network & Internet", id: "0", description: "Wi-Fi, mobile, data usage, hotspot" },
    { name: "Connected devices", id: "1", description: "Bluetooth, cast, NFC" },
    { name: "Battery", id: "2", description: "18% -4h 12m left" },
    { name: "Display", id: "3", description: "Wallpaper, sleep, font size" },
    { name: "Sound", id: "4", description: "Volume, vibration, Do Not Disturb" },
    { name: "Storage", id: "5", description: "52% used - 15.48 GB free" }
  ];

  public template: any;
  public ajax: Ajax;

  render() {
    return (
      <ListViewComponent
        id="list"
        dataSource={this.data}
        headerTitle="Settings"
        showHeader={true}
        template={this.template}
        cssClass="e-list-template"
      />
    );
  }
}
ReactDOM.render(<App />, document.getElementById('element'));
<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React ListView</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-lists/styles/material.css" rel="stylesheet" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='element'>
        <div id='loader'>Loading....</div>
    </div>
</body>

</html>
#loader {
  color: #008cff;
  height: 40px;
  width: 30%;
  position: absolute;
  font-family: 'Helvetica Neue', 'calibiri';
  font-size: 14px;
  top: 45%;
  left: 45%;
}

#list {
  display: block;
  max-width: 300px;
  margin: auto;
  border: 1px solid #dddddd;
  border-radius: 3px;
}

#list .e-list-header {
  background: rgb(2, 120, 215);
  color: white;
  font-size: 19px;
  font-weight: 500;
}

#list.e-listview .e-list-item {
  cursor: pointer;
}

#list .settings-container .name {
  font-size: 15px;
  font-weight: 500;
  line-height: 20px;
  height: 20px;
}

#list .settings-container .description {
  line-height: 20px;
  height: 20px;
  font-size: 10px;
  font-style: italic;
  margin-top: -2px;
}
import * as ReactDOM from 'react-dom';
import * as React from 'react';
import { ListViewComponent } from '@syncfusion/ej2-react-lists';
import { Ajax } from '@syncfusion/ej2-base';
export default class App extends React.Component {
    constructor(props) {
        super(props);
        //Define an array of JSON data
        this.data = [
            { name: "Network & Internet", id: "0", description: "Wi-Fi, mobile, data usage, hotspot" },
            { name: "Connected devices", id: "1", description: "Bluetooth, cast, NFC" },
            { name: "Battery", id: "2", description: "18% -4h 12m left" },
            { name: "Display", id: "3", description: "Wallpaper, sleep, font size" },
            { name: "Sound", id: "4", description: "Volume, vibration, Do Not Disturb" },
            { name: "Storage", id: "5", description: "52% used - 15.48 GB free" }
        ];
        this.ajax = new Ajax("./template.html", "GET", false);
        this.ajax.onSuccess = (e) => {
            this.template = e;
        };
        this.ajax.send();
    }
    render() {
        return (<ListViewComponent id="list" dataSource={this.data} headerTitle="Settings" showHeader={true} template={this.template} cssClass="e-list-template"/>);
    }
}
ReactDOM.render(<App />, document.getElementById('element'));
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