React ValidationSummary API

A UI component for displaying the result of checking validation rules for editors.

import ValidationSummary from "devextreme-react/validation-summary"
Selector: ValidationSummary

Configuration

An object defining configuration properties for the UI component.

Name Description
elementAttr

Specifies the global attributes to be attached to the UI component's container element.

hoverStateEnabled

Specifies whether the UI component changes its state when a user pauses on it.

itemComponent

An alias for the itemTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information.

itemRender

An alias for the itemTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information.

items

An array of items displayed by the UI component.

itemTemplate

Specifies a custom template for items.

onContentReady

A function that is executed when the UI component is rendered and each time the component is repainted.

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.

onItemClick

A function that is executed when a collection item is clicked or tapped.

onOptionChanged

A function that is executed after a UI component property is changed.

validationGroup

Specifies the validation group for which summary should be generated.

Methods

This section describes members used to manipulate the UI component.

Name Description
beginUpdate()

Postpones rendering that can negatively affect performance until the endUpdate() method is called.

defaultOptions(rule)

Specifies the device-dependent default configuration properties for this component.

dispose()

Disposes of all the resources allocated to the ValidationSummary instance.

element()

Gets the root UI component element.

endUpdate()

Refreshes the UI component after a call of the beginUpdate() method.

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.

refreshValidationGroup()

Resubscribes the ValidationSummary to a target ValidationGroup.

repaint()

Renders the component again without reloading data. Use the method to update the component's markup and appearance dynamically.

resetOption(optionName)

Resets a property to its default value.

See Also

Events

This section describes events fired by this UI component.

Name Description
contentReady

Raised when the UI component's content is ready.

disposing

Raised before the UI component is disposed of.

initialized

Raised only once, after the UI component is initialized.

itemClick

Raised when a collection item is clicked or tapped.

optionChanged

Raised after a UI component property is changed.

See Also

Types

Name Description
ContentReadyEvent

The type of the contentReady event handler's argument.

DisposingEvent

The type of the disposing event handler's argument.

InitializedEvent

The type of the initialized event handler's argument.

ItemClickEvent

The type of the itemClick event handler's argument.

OptionChangedEvent

The type of the optionChanged event handler's argument.