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Event Markers in React Gantt component

05 May 2021 / 1 minute to read

The event markers in the Gantt component is used to highlight the important events in a project. Event markers can be initialized by using the eventMarkers property, and you can define date and label for the event markers using the day and label properties. You can also customize it using the cssClass properties. The following code example shows how to add event markers in the Gantt component.

To highlight the days, inject the DayMarkers module into the Gantt component.

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index.jsx
index.tsx
index.html
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent, Inject, DayMarkers, EventMarkersDirective, EventMarkerDirective } from '@syncfusion/ej2-react-gantt';
import { data } from './datasource';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.taskFields = {
            id: 'TaskID',
            name: 'TaskName',
            startDate: 'StartDate',
            duration: 'Duration',
            progress: 'Progress',
            child: 'subtasks'
        };
        this.eventMarkerDay = new Date('4/10/2019');
    }
    render() {
        return <GanttComponent dataSource={data} taskFields={this.taskFields} height='450px'>
        <EventMarkersDirective>
              <EventMarkerDirective day={this.eventMarkerDay} cssClass='e-custom-event-marker' label='Project approval and kick-off'></EventMarkerDirective>
        </EventMarkersDirective>
            <Inject services={[DayMarkers]}/>
        </GanttComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('root'));
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import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { GanttComponent, Inject, DayMarkers, EventMarkersDirective, EventMarkerDirective } from '@syncfusion/ej2-react-gantt';
import { data } from './datasource';

class App extends React.Component<{}, {}>{
    public taskFields: any = {
    id: 'TaskID',
    name: 'TaskName',
    startDate: 'StartDate',
    duration: 'Duration',
    progress: 'Progress',
    child: 'subtasks'
  };
  public eventMarkerDay: Date = new Date('4/10/2019');
  render() {
        return <GanttComponent dataSource={data} taskFields={this.taskFields} height = '450px'>
        <EventMarkersDirective>
              <EventMarkerDirective day={this.eventMarkerDay} cssClass='e-custom-event-marker'  label='Project approval and kick-off' ></EventMarkerDirective>
        </EventMarkersDirective>
            <Inject services={[DayMarkers]} />
        </GanttComponent>
    }
};
ReactDOM.render(<App />, document.getElementById('root'));
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<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Gantt</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="https://cdn.syncfusion.com/ej2/material.css" rel="stylesheet" type="text/css"/>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
		
       .e-gantt .e-gantt-chart .e-custom-event-marker {
            width: 1px;
            border-left: 2px green dotted;
        }

    </style>
</head>

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

</html>
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