# Column, Columns, and Group Elements

## Content

The following table lists the child elements of the columns element. The columns element has no attributes.

| **Child Element** | **API Reference** | **Count** | **Type** |
| ------------- | ------------- | ----- | ---- |
| column |  | `any` | `column` |

The following table lists the attributes of the column element.

| **Attribute** | **API Reference** | **Type** | **Comments** |
| --------- | ------------- | ---- | -------- |
| autoFit | `Worksheet.autoFitColumn(column)` | `boolean` | If autoFit is set to true, the column uses automatic autofit after data binding |
| dataField | `columnInfo.name` | `string` | Set for Worksheet.bindColumn(index, columnInfo) function |
| headerText | `columnInfo.displayName` | `string` | Set for Worksheet.bindColumn(index, columnInfo) function |
| resizable | `CellRange.resizable(value)` | `boolean` |  |
| visible | `CellRange.visible(value)` | `boolean` |  |
| width | `CellRange.width(value)` | `number` |  |

The following table lists the child elements of the column element.

| **Child Element** | **API Reference** | **Count** | **Type** |
| ------------- | ------------- | ----- | ---- |
| defaultStyle | `sheet.setStyle(-1, columnIndex, value)` | `1` | `style` |

The outline element has no attributes. The following table lists the child elements of the outline element.

| **Child Element** | **API Reference** | **Count** | **Type** |
| ------------- | ------------- | ----- | ---- |
| outline | `Outline.group(index, count)` | `any` | `GC.Spread.Sheets.Outlines.Outline` |

The following example uses the outline element.
```HTML
<worksheet>
    <row-outlines>
        <outline index="1" count="4"></outline>
        <outline index="6" count="8"></outline>
    </row-outlines>
    <column-outlines>
        <outline index="2" count="5"></outline>
    </column-outlines>
</worksheet>
```
                                       
The group element has no child elements. The following table lists the attributes of the group element.

| **Attribute** | **API Reference** | **Type** |
| --------- | ------------- | ---- |
| index | `Outline.group(index, count)` | `number` |
| width | `Outline.group(index, count)` | `number` |