# DataPanel
> **NOTE**
> This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.
The **<DataPanel>** component displays proportions in a chart.
## Required Permissions
None
## Child Components
None
## APIs
DataPanel(value:{values: number[], max?: number, type?: DataPanelType})
- Parameters
| Name | Type | Mandatory | Default Value | Description |
| -------- | -------- | -------- | -------- | -------- |
| values | number[] | Yes | - | Value list. A maximum of nine values are supported. |
| max | number | No | 100 | - When set to a value greater than 0, this parameter indicates the maximum value in the **values** list.
- When set to a value equal to or smaller than 0, this parameter indicates the sum of values in the **values** list. The values are displayed in proportion. |
| type8+ | DataPanelType | No | DataPanelType.Circle | Type of the data panel. |
- DataPanelType enums
| Name | Description |
| -------- | -------- |
| Line | Line data panel. |
| Circle | Circle data panel. |
## Example
```
@Entry
@Component
struct DataPanelExample {
public values1: number[] = [10, 10, 10, 10, 10, 10, 10, 10, 10]
build() {
Column({ space: 5 }) {
Text('Circle').fontSize(9).fontColor(0xCCCCCC).margin({ top: 20, right: '80%' })
DataPanel({ values: this.values1, max: 100, type: DataPanelType.Circle }).width(200).height(200)
Text('Line').fontSize(9).fontColor(0xCCCCCC).margin({ bottom: 20, right: '80%' })
DataPanel({ values: this.values1, max: 100, type: DataPanelType.Line }).width(300).height(10)
}.width('100%').margin({ top: 5 })
}
}
```
![en-us_image_0000001211898476](figures/en-us_image_0000001211898476.jpg)