JavaScript/jQuery ValidationSummary API

A widget for displaying the result of checking validation rules for editors.

import ValidationSummary from "devextreme/ui/validation_summary"

Type:

Configuration

An object defining configuration options for the widget.

Name	Description
elementAttr	Specifies the attributes to be attached to the widget's root element.
hoverStateEnabled	Specifies whether the widget 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 widget.
itemTemplate	Specifies a custom template for items.
onContentReady	A function that is executed when the widget's content is ready and each time the content is changed.
onDisposing	A function that is executed before the widget is disposed of.
onInitialized	A function used in JavaScript frameworks to save the widget instance.
onItemClick	A function that is executed when a collection item is clicked or tapped.
onOptionChanged	A function that is executed after a widget option is changed.
validationGroup	Specifies the validation group for which summary should be generated.

This section describes members used to manipulate the widget.

Name	Description
beginUpdate()	Prevents the widget from refreshing until the endUpdate() method is called.
defaultOptions(rule)	Specifies the device-dependent default configuration options for this component.
dispose()	Disposes of all the resources allocated to the ValidationSummary instance.
element()	Gets the root widget element.
endUpdate()	Refreshes the widget after a call of the beginUpdate() method.
getInstance(element)	Gets the instance of a widget found using its DOM node.
instance()	Gets the widget's instance. Use it to access other methods of the widget.
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 widget options.
option(optionName)	Gets the value of a single option.
option(optionName, optionValue)	Updates the value of a single option.
option(options)	Updates the values of several options.
repaint()	Repaints the widget without reloading data. Call it to update the widget's markup.
resetOption(optionName)	Resets an option to its default value.

This section describes events fired by this widget.

Name	Description
contentReady	Raised when the widget's content is ready.
disposing	Raised before the widget is disposed of.
initialized	Raised only once, after the widget is initialized.
itemClick	Raised when a collection item is clicked or tapped.
optionChanged	Raised after a widget option is changed.