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Selection in React Chart component

23 Feb 2021 / 7 minutes to read

Chart provides selection support for the series and its data points on mouse click.

When Mouse is clicked on the data points, the corresponding series legend will also be selected.

We have different type of selection mode for selecting the data. They are,

  • None
  • Point
  • Series
  • Cluster
  • DragXY
  • DragX
  • DragY

Point

You can select a point, by setting selectionMode to point.

Source
Preview
index.tsx
index.jsx
import * as React from "react";
import * as ReactDOM from "react-dom";
import {  AxisModel, ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject,
         Legend, Category, Tooltip, DataLabel, ColumnSeries,  Selection}
from'@syncfusion/ej2-react-charts';
import { selectionData } from  'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = { valueType: 'Category' };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      title='Olympic Medals' selectionMode='Point'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column'>        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject, Legend, Category, Tooltip, DataLabel, ColumnSeries, Selection } from '@syncfusion/ej2-react-charts';
import { selectionData } from 'datasource.ts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.primaryxAxis = { valueType: 'Category' };
    }
    render() {
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} title='Olympic Medals' selectionMode='Point'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column'>        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Series

You can select a series, by setting selectionMode to series.

Source
Preview
index.tsx
index.jsx
import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject,
         Legend, Category, Tooltip, DataLabel, ColumnSeries,  Selection}
from'@syncfusion/ej2-react-charts';
import { selectionData } from  'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = { valueType: 'Category' };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      title='Olympic Medals' selectionMode='Series'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject, Legend, Category, Tooltip, DataLabel, ColumnSeries, Selection } from '@syncfusion/ej2-react-charts';
import { selectionData } from 'datasource.ts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.primaryxAxis = { valueType: 'Category' };
    }
    render() {
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} title='Olympic Medals' selectionMode='Series'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Cluster

You can select the points that corresponds to the same index in all the series, by setting selectionMode to cluster.

Source
Preview
index.tsx
index.jsx
import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject,
         Legend, Category, Tooltip, DataLabel, ColumnSeries,  Selection}
from'@syncfusion/ej2-react-charts';
import { selectionData } from  'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = { valueType: 'Category' };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      title='Olympic Medals' selectionMode='Cluster'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject, Legend, Category, Tooltip, DataLabel, ColumnSeries, Selection } from '@syncfusion/ej2-react-charts';
import { selectionData } from 'datasource.ts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.primaryxAxis = { valueType: 'Category' };
    }
    render() {
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} title='Olympic Medals' selectionMode='Cluster'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Rectangular selection

DragXY, DragX and DragY

To fetch the collection of data under a particular region, you have to set selectionMode as DragXY.

  • DragXY - Allows us to select data with respect to horizontal and vertical axis.
  • DragX - Allows us to select data with respect to horizontal axis.
  • DragY - Allows us to select data with respect to vertical axis.

The selected data’s are returned as an array collection in the dragComplete event.

Source
Preview
index.tsx
index.jsx
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject,
         Legend, Category, Tooltip,Selection, DataLabel, ScatterSeries}
from'@syncfusion/ej2-react-charts';
import { dragData } from  'datasource.ts';

class App extends React.Component<{}, {}> {

  public marker = { width: 12, height: 12 };

  render() {
    return <ChartComponent id='charts'
      selectionMode='DragXY'
      title='Height Vs Weight'>
      <Inject services={[ScatterSeries, Legend, Tooltip, Selection]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={dragData} xName='x' yName='y' type='Scatter'
          marker={this.marker}>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject, Legend, Tooltip, Selection, ScatterSeries } from '@syncfusion/ej2-react-charts';
import { dragData } from 'datasource.ts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.marker = { width: 12, height: 12 };
    }
    render() {
        return <ChartComponent id='charts' selectionMode='DragXY' title='Height Vs Weight'>
      <Inject services={[ScatterSeries, Legend, Tooltip, Selection]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={dragData} xName='x' yName='y' type='Scatter' marker={this.marker}>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Lasso selection

To select a region by drawing freehand shapes to fetch a collection of data use selectionMode as Lasso. You can also select multiple regions on the chart through this mode.

Source
Preview
index.tsx
index.jsx
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject,
         Legend, Category, Tooltip,Selection, DataLabel, ScatterSeries}
from'@syncfusion/ej2-react-charts';
import { dragData } from  'datasource.ts';

class App extends React.Component<{}, {}> {

  public marker = { width: 12, height: 12 };

  render() {
    return <ChartComponent id='charts'
      selectionMode='Lasso'
      title='Height Vs Weight'>
      <Inject services={[ScatterSeries, Legend, Tooltip, Selection]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={dragData} xName='x' yName='y' type='Scatter'
          marker={this.marker}>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject, Legend, Tooltip, Selection, ScatterSeries } from '@syncfusion/ej2-react-charts';
import { dragData } from 'datasource.ts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.marker = { width: 12, height: 12 };
    }
    render() {
        return <ChartComponent id='charts' selectionMode='Lasso' title='Height Vs Weight'>
      <Inject services={[ScatterSeries, Legend, Tooltip, Selection]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={dragData} xName='x' yName='y' type='Scatter' marker={this.marker}>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Multi-region selection

To select multiple region on the chart, set the allowMultiSelection property to true.

Source
Preview
index.tsx
index.jsx
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject,
         Legend, Category, Tooltip,Selection, DataLabel, ScatterSeries}
from'@syncfusion/ej2-react-charts';
import { dragData } from  'datasource.ts';

class App extends React.Component<{}, {}> {

  public marker = { width: 12, height: 12 };

  render() {
    return <ChartComponent id='charts'
      selectionMode='Lasso' allowMultiSelection={true}
      title='Height Vs Weight'>
      <Inject services={[ScatterSeries, Legend, Tooltip, Selection]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={dragData} xName='x' yName='y' type='Scatter'
          marker={this.marker}>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject, Legend, Tooltip, Selection, ScatterSeries } from '@syncfusion/ej2-react-charts';
import { dragData } from 'datasource.ts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.marker = { width: 12, height: 12 };
    }
    render() {
        return <ChartComponent id='charts' selectionMode='Lasso' allowMultiSelection={true} title='Height Vs Weight'>
      <Inject services={[ScatterSeries, Legend, Tooltip, Selection]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={dragData} xName='x' yName='y' type='Scatter' marker={this.marker}>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Selection Type

You can select multiple points or series, by enabling the isMultiSelect property.

Source
Preview
index.tsx
index.jsx
import * as React from "react";
import * as ReactDOM from "react-dom";
import {  AxisModel, ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject,
         Legend, Category, Tooltip, DataLabel, ColumnSeries,  Selection}
from'@syncfusion/ej2-react-charts';
import { selectionData } from  'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = { valueType: 'Category' };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      title='Olympic Medals' isMultiSelect={true} selectionMode='Point'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject, Legend, Category, Tooltip, DataLabel, ColumnSeries, Selection } from '@syncfusion/ej2-react-charts';
import { selectionData } from 'datasource.ts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.primaryxAxis = { valueType: 'Category' };
    }
    render() {
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} title='Olympic Medals' isMultiSelect={true} selectionMode='Point'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Selection on Load

You can able to select a point or series programmatically on a chart using selectedDataIndexes property.

Source
Preview
index.tsx
index.jsx
import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject,
         Legend, Category, Tooltip, DataLabel, ColumnSeries,  Selection}
from'@syncfusion/ej2-react-charts';
import { selectionData } from  'datasource.ts';

class App extends React.Component<{}, {}> {

  public selectedData: any[] = [{ series: 0, point: 1 }, { series: 2, point: 3 }];
  public primaryxAxis: AxisModel = { valueType: 'Category' };
  public animation = { enable: false };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      title='Olympic Medals' selectedDataIndexes={this.selectedData}
      isMultiSelect={true} selectionMode='Point'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column'
          selectionStyle='chartSelection1' animation={this.animation} >  </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column'
          selectionStyle='chartSelection2' animation={this.animation}> </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column'
          selectionStyle='chartSelection3' animation={this.animation}> </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject, Legend, Category, Tooltip, DataLabel, ColumnSeries, Selection } from '@syncfusion/ej2-react-charts';
import { selectionData } from 'datasource.ts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.selectedData = [{ series: 0, point: 1 }, { series: 2, point: 3 }];
        this.primaryxAxis = { valueType: 'Category' };
        this.animation = { enable: false };
    }
    render() {
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} title='Olympic Medals' selectedDataIndexes={this.selectedData} isMultiSelect={true} selectionMode='Point'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column' selectionStyle='chartSelection1' animation={this.animation}>  </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column' selectionStyle='chartSelection2' animation={this.animation}> </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column' selectionStyle='chartSelection3' animation={this.animation}> </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Selection through on legend

You can able to select a point or series through on legend using toggleVisibility property.

Source
Preview
index.tsx
index.jsx
import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject,LegendSettingsModel,
         Legend, Category, Tooltip, DataLabel, ColumnSeries,  Selection}
from'@syncfusion/ej2-react-charts';
import { selectionData } from  'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = { valueType: 'Category' };
  public legendSettings: LegendSettingsModel = { visible: true, toggleVisibility: false };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      legendSettings={this.legendSettings}
      title='Olympic Medals' selectionMode='Point'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column'>        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject, Legend, Category, Tooltip, DataLabel, ColumnSeries, Selection } from '@syncfusion/ej2-react-charts';
import { selectionData } from 'datasource.ts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.primaryxAxis = { valueType: 'Category' };
        this.legendSettings = { visible: true, toggleVisibility: false };
    }
    render() {
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} legendSettings={this.legendSettings} title='Olympic Medals' selectionMode='Point'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column'>
        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column'>        </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Customization for selection

You can apply custom style to selected points or series with selectionStyle property.

Source
Preview
index.tsx
index.jsx
import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject,
         Legend, Category, Tooltip, DataLabel, ColumnSeries,  Selection}
from'@syncfusion/ej2-react-charts';
import { selectionData } from 'datasource.ts';

class App extends React.Component<{}, {}> {
  public primaryxAxis: AxisModel = { valueType: 'Category', title: 'Countries' };
  public primaryyAxis: AxisModel = { minimum: 0, maximum: 80, interval: 20, title: 'Medals' };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      primaryYAxis={this.primaryyAxis}
      title='Olympic Medals' isMultiSelect={true} selectionMode='Point'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column'
          selectionStyle='chartSelection1'>  </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column'
          selectionStyle='chartSelection2'> </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column'
          selectionStyle='chartSelection3'> </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject, Legend, Category, Tooltip, DataLabel, ColumnSeries, Selection } from '@syncfusion/ej2-react-charts';
import { selectionData } from 'datasource.ts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.primaryxAxis = { valueType: 'Category', title: 'Countries' };
        this.primaryyAxis = { minimum: 0, maximum: 80, interval: 20, title: 'Medals' };
    }
    render() {
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} primaryYAxis={this.primaryyAxis} title='Olympic Medals' isMultiSelect={true} selectionMode='Point'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Selection, Category]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='gold' name='Gold' type='Column' selectionStyle='chartSelection1'>  </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='silver' name='Silver' type='Column' selectionStyle='chartSelection2'> </SeriesDirective>
        <SeriesDirective dataSource={selectionData} xName='country' yName='bronze' name='Bronze' type='Column' selectionStyle='chartSelection3'> </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Note: To use select feature, we need to Inject Selection module into the services.

See Also

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