Form Control

The Form Control component is a utility that lets you associate a form input with auxiliary components, such as labels, error indicators, or helper text.

FormControl API

Import

import { FormControl } from '@mui/base/FormControl';
// or
import { FormControl } from '@mui/base';

Learn about the difference by reading this guide on minimizing bundle size.

Props

Props of the native component are also available.

children

The content of the component.

Type:node | func

className

Class name applied to the root element.

Type:string

disabled

If true, the label, input and helper text should be displayed in a disabled state.

Type:bool

Default:false

error

If true, the label is displayed in an error state.

Type:bool

Default:false

onChange

Callback fired when the form element's value is modified.

Type:func

required

If true, the label will indicate that the input is required.

Type:bool

Default:false

slotProps

The props used for each slot inside the FormControl.

Type:{ root?: func | object }

Default:{}

slots

The components used for each slot inside the FormControl. Either a string to use a HTML element or a component.

See Slots API below for more details.

Type:{ root?: elementType }

Default:{}

value

The value of the form element.

Type:any

The ref is forwarded to the root element.

CSS classes

These class names are useful for styling with CSS. They are applied to the component's slots when specific states are triggered.

.base--disabledSTATE

State class applied to the root element if disabled={true}.

.base--errorSTATE

State class applied to the root element if error={true}.

.base--focusedSTATE

State class applied to the root element if the inner input is focused.

.base--requiredSTATE

State class applied to the root element if required={true}.

.base-FormControl-filled

State class applied to the root element if the inner input has value.

.base-FormControl-root

Class applied to the root element.