ValidationSummary

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

Included in: dx.web.js, dx.all.js
import ValidationSummary from "devextreme/ui/validation_summary"

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.

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's content is ready and each time the content is changed.

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.

See Also

Methods

This section describes members used to manipulate the UI component.

Name Description
beginUpdate()

Prevents the UI component from refreshing 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.

repaint()

Repaints the UI component without reloading data. Call it to update the UI component's markup.

resetOption(optionName)

Resets an 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