React Data GridColumn headers

Use default column headers (A, B, C), or set them to custom values provided by an array or a function.

Overview

Column headers are gray-colored rows used to label each column or group of columns. By default, these headers are populated with letters in alphabetical order.

To reflect the type or category of data in a particular column, give it a custom name and then display it in a column header. For example, instead of letters as labels such as A, B, C, ... name them ID, Full name, Country, ....

Default headers

Setting the colHeaders option to true enables the default column headers as shown in the example below:

import { HotTable } from '@handsontable/react';
import { registerAllModules } from 'handsontable/registry';
import 'handsontable/dist/handsontable.full.min.css';

// register Handsontable's modules
registerAllModules();

const ExampleComponent = () => {
  return (
    <HotTable
      data={[
        ['A1', 'B1', 'C1', 'D1', 'E1', 'F1', 'G1', 'H1', 'I1', 'J1', 'K1'],
        ['A2', 'B2', 'C2', 'D2', 'E2', 'F2', 'G2', 'H2', 'I2', 'J2', 'K2'],
        ['A3', 'B3', 'C3', 'D3', 'E3', 'F3', 'G3', 'H3', 'I3', 'J3', 'K3'],
      ]}
      colHeaders={true}
      rowHeaders={true}
      height="auto"
      autoWrapRow={true}
      autoWrapCol={true}
      licenseKey="non-commercial-and-evaluation"
    />
  );
};

export default ExampleComponent;

Header labels as an array

An array of labels can be used to set the colHeaders as shown in the example below:

import { HotTable } from '@handsontable/react';
import { registerAllModules } from 'handsontable/registry';
import 'handsontable/dist/handsontable.full.min.css';

// register Handsontable's modules
registerAllModules();

const ExampleComponent = () => {
  return (
    <HotTable
      data={[
        ['A1', 'B1', 'C1', 'D1', 'E1', 'F1', 'G1', 'H1', 'I1'],
        ['A2', 'B2', 'C2', 'D2', 'E2', 'F2', 'G2', 'H2', 'I2'],
        ['A3', 'B3', 'C3', 'D3', 'E3', 'F3', 'G3', 'H3', 'I3'],
      ]}
      colHeaders={[
        'ID',
        'Full name',
        'Position',
        'Country',
        'City',
        'Address',
        'Zip code',
        'Mobile',
        'E-mail',
      ]}
      rowHeaders={true}
      height="auto"
      autoWrapRow={true}
      autoWrapCol={true}
      licenseKey="non-commercial-and-evaluation"
    />
  );
};

export default ExampleComponent;

Header labels as a function

The colHeaders can also be populated using a function as shown in the example below:

import { HotTable } from '@handsontable/react';
import { registerAllModules } from 'handsontable/registry';
import 'handsontable/dist/handsontable.full.min.css';

// register Handsontable's modules
registerAllModules();

const ExampleComponent = () => {
  return (
    <HotTable
      data={[
        ['A1', 'B1', 'C1', 'D1', 'E1', 'F1', 'G1', 'H1', 'I1', 'J1', 'K1'],
        ['A2', 'B2', 'C2', 'D2', 'E2', 'F2', 'G2', 'H2', 'I2', 'J2', 'K2'],
        ['A3', 'B3', 'C3', 'D3', 'E3', 'F3', 'G3', 'H3', 'I3', 'J3', 'K3'],
      ]}
      colHeaders={(index) => {
        return `Col ${index + 1}`;
      }}
      rowHeaders={true}
      height="auto"
      autoWrapRow={true}
      autoWrapCol={true}
      licenseKey="non-commercial-and-evaluation"
    />
  );
};

export default ExampleComponent;

Customize column headers

You can align the text in the header label with the headerClassName option. Setting it to htLeft, htCenter, or htRight will align the header labels to the left, center, or right, respectively.

You can also set the alignment for a specific column by using the columns option.

import { HotTable, HotColumn } from '@handsontable/react';
import { registerAllModules } from 'handsontable/registry';
import 'handsontable/dist/handsontable.full.min.css';

// register Handsontable's modules
registerAllModules();

const ExampleComponent = () => {
  return (
    <HotTable
      data={[
        ['A1', 'B1', 'C1', 'D1'],
        ['A2', 'B2', 'C2', 'D2'],
        ['A3', 'B3', 'C3', 'D3'],
      ]}
      colHeaders={true}
      rowHeaders={true}
      autoWrapRow={true}
      autoWrapCol={true}
      height='auto'
      headerClassName='htCenter'
      licenseKey='non-commercial-and-evaluation'
    >
      <HotColumn
        headerClassName='htRight'
      />
      <HotColumn
        headerClassName='htLeft'
      />
      <HotColumn/>
      <HotColumn/>
    </HotTable>
  );
};

export default ExampleComponent;

If you want to style the header labels, you can pass any number of class names, separated by a space, to the headerClassName option.

import { HotTable, HotColumn } from '@handsontable/react';
import { registerAllModules } from 'handsontable/registry';
import 'handsontable/dist/handsontable.full.min.css';

// register Handsontable's modules
registerAllModules();

const ExampleComponent = () => {
  return (
    <HotTable
      data={[
        ['A1', 'B1', 'C1', 'D1'],
        ['A2', 'B2', 'C2', 'D2'],
        ['A3', 'B3', 'C3', 'D3'],
      ]}
      colHeaders={true}
      rowHeaders={true}
      autoWrapRow={true}
      autoWrapCol={true}
      height='auto'
      headerClassName='htLeft'
      licenseKey='non-commercial-and-evaluation'
    >
      <HotColumn
        headerClassName='italic-text'
      />
      <HotColumn
        headerClassName='bold-text italic-text'
      />
      <HotColumn
        headerClassName='htRight bold-text italic-text'
      />
      <HotColumn/>
    </HotTable>
  );
};

export default ExampleComponent;

Nested headers

More complex data structures can be displayed with multiple headers, each representing a different category of data. To learn more about nested headers, see the column groups page.

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