Angular ValidationGroup API

The ValidationGroup is a UI component that allows you to validate several editors simultaneously.

import { DxValidationGroupModule } from "devextreme-angular"

Type: DxValidationGroupTypes.default

NOTE

Nested validation groups are not supported.

Properties

An object defining configuration properties for the ValidationGroup UI component.

Name	Description
elementAttr	Specifies the global attributes to be attached to the UI component's container element.
height	Specifies the UI component's height.
onDisposing	A function that is executed before the UI component is disposed of.
onInitialized	A function used in JavaScript frameworks to save the UI component instance.
onOptionChanged	A function that is executed after a UI component property is changed.
width	Specifies the UI component's width.

This section describes members used to manipulate the UI component.

Name	Description
dispose()	Disposes of all the resources allocated to the ValidationGroup instance.
element()	Gets the root UI component element.
getInstance(element)	Gets the instance of a UI component found using its DOM node.
instance()	Gets the UI component's instance. Use it to access other methods of the UI component.
off(eventName)	Detaches all event handlers from a single event.
off(eventName, eventHandler)	Detaches a particular event handler from a single event.
on(eventName, eventHandler)	Subscribes to an event.
on(events)	Subscribes to events.
option()	Gets all UI component properties.
option(optionName)	Gets the value of a single property.
option(optionName, optionValue)	Updates the value of a single property.
option(options)	Updates the values of several properties.
reset()	Resets the value and validation result of the editors that are included to the current validation group.
resetOption(optionName)	Resets a property to its default value.
validate()	Validates rules of the validators that belong to the current validation group.

This section describes events fired by this UI component.

Name	Description
disposing	Raised before the UI component is disposed of.
initialized	Raised only once, after the UI component is initialized.
optionChanged	Raised after a UI component property is changed.

Name

Description

Raised before the UI component is disposed of.

Raised only once, after the UI component is initialized.

Raised after a UI component property is changed.