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Visualize current view records of grid in Chart in JavaScript Chart control

08 May 2023 / 2 minutes to read

You can visualize the data that returned by grid in chart.

To visualize the data in chart, follow the given steps:

Step 1:

Initialize the grid with datasource.

Step 2:

By using the grid’s actionComplete event and getCurrentViewRecords method, you can get the current page records. By using the grid’s databound event, you can update the current page records into the chart’s datasource and visualize the grid data in chart.

Source
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index.ts
index.html
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import { Grid, Selection, Page,  ActionEventArgs } from '@syncfusion/ej2-grids';
import { Query, DataManager } from '@syncfusion/ej2-data';
import { orderData } from './datasource.ts';
import { Chart, ColumnSeries, DateTime } from '@syncfusion/ej2-charts';
Chart.Inject(ColumnSeries, DateTime);
Grid.Inject(Selection,Page);
    let chart: Chart;
    let data: Object = new DataManager(orderData as JSON[]).executeLocal(new Query().take(100));
    let grid: Grid = new Grid(
        {
            dataSource: data,
            allowPaging: true,
            pageSettings: { pageSize: 10 },
            columns: [
                { field: 'OrderDate', headerText: 'Order Date', width: 130, format: 'yMd', textAlign: 'right' },
                { field: 'Freight', width: 120, format: 'C2', textAlign: 'right' }
            ],
        dataBound: () => {
        chart = new Chart({
            //Initializing Primary X Axis
            primaryXAxis: {
            valueType: 'DateTime',
            },
            series: [
            {
                type: 'Column',
                dataSource: grid.getCurrentViewRecords(),
                xName: 'OrderDate', width: 2, marker: {
                    visible: true,
                    width: 10,
                    height: 10
                },
                yName: 'Freight', name: 'Germany',
            },
        ],

          });
          chart.appendTo('#Chart');
        },
         actionComplete: (args: ActionEventArgs) => {
                if (args.requestType === 'paging') {
                 chart.series[0].dataSource =  grid.getCurrentViewRecords();
                   chart.refresh();
                }
        });
    grid.appendTo('#Grid');
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<!DOCTYPE html>
<html lang="en">

<head>
            
    <title>EJ2 Animation</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript UI Controls" />
    <meta name="author" content="Syncfusion" />
    <link href="https://cdn.syncfusion.com/ej2/21.2.3/material.css" rel="stylesheet" rel="stylesheet">
    <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>
</head>

<body>
    <div id='loader'>Loading....</div>
    <div class="control-section">
      <div id="link">
          <a id="category" style="visibility:hidden; display:inline-block">
            Sales by Category 
      </a>
          <p style="visibility:hidden; display:inline-block" id="symbol">&nbsp;&gt;&gt;&nbsp;</p>
          <p id="text" style="display:inline-block;"></p>
      </div>
      <div id="container"></div>
  </div>
  
</body> 
</html>
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