Vue ValidationGroup Props

An object defining configuration properties for the ValidationGroup UI component.

elementAttr

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

Selector: DxElementAttr

Type:

Object

Default Value: {}

jQuery

$(function(){
    $("#validationGroupContainer").dxValidationGroup({
        // ...
        elementAttr: {
            id: "elementId",
            class: "class-name"
        }
    });
});

Angular

HTML

TypeScript

<dx-validation-group ...
    [elementAttr]="{ id: 'elementId', class: 'class-name' }">
</dx-validation-group>

import { DxValidationGroupModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxValidationGroupModule
    ],
    // ...
})

Vue

App.vue

<template>
    <DxValidationGroup ...
        :element-attr="validationGroupAttributes">
    </DxValidationGroup>
</template>

<script>
import DxValidationGroup from 'devextreme-vue/validation-group';

export default {
    components: {
        DxValidationGroup
    },
    data() {
        return {
            validationGroupAttributes: {
                id: 'elementId',
                class: 'class-name'
            }
        }
    }
}
</script>

React

App.js

import React from 'react';

import ValidationGroup from 'devextreme-react/validation-group';

class App extends React.Component {
    validationGroupAttributes = {
        id: 'elementId',
        class: 'class-name'
    }

    render() {
        return (
            <ValidationGroup ...
                elementAttr={this.validationGroupAttributes}>
            </ValidationGroup>
        );
    }
}
export default App;

height

Specifies the UI component's height.

Type:

|

|

Return Value:

|

The UI component's height.

Default Value: undefined

This property accepts a value of one of the following types:

Number
The height in pixels.
String
A CSS-accepted measurement of height. For example, "55px", "20vh", "80%", "inherit".
Function (deprecated since v21.2)
Refer to the W0017 warning description for information on how you can migrate to viewport units.

onDisposing

A function that is executed before the UI component is disposed of.

Selector: @disposing

Type:

Function

Function parameters:

e:

DisposingEvent

Information about the event.

Object structure:

Name	Type	Description
element	HTMLElement \| jQuery	The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	ValidationGroup	The UI component's instance.

Default Value: null

onInitialized

A function used in JavaScript frameworks to save the UI component instance.

Selector: @initialized

Type:

Function

Function parameters:

e:

InitializedEvent

Information about the event.

Object structure:

Name	Type	Description
element	HTMLElement \| jQuery	The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	ValidationGroup	The UI component's instance.

Default Value: null

Angular

app.component.html

app.component.ts

<dx-validation-group ...
    (onInitialized)="saveInstance($event)">
</dx-validation-group>

import { Component } from "@angular/core";
import ValidationGroup from "devextreme/ui/data_grid";
// ...
export class AppComponent {
    validationGroupInstance: ValidationGroup;
    saveInstance (e) {
        this.validationGroupInstance = e.component;
    }
}

Vue

App.vue (Options API)

App.vue (Composition API)

<template>
    <div>
        <DxValidationGroup ...
            @initialized="saveInstance">
        </DxValidationGroup>
    </div>
</template>

<script>
import DxValidationGroup from 'devextreme-vue/validation-group';

export default {
    components: {
        DxValidationGroup
    },
    data: function() {
        return {
            validationGroupInstance: null
        };
    },
    methods: {
        saveInstance: function(e) {
            this.validationGroupInstance = e.component;
        }
    }
};
</script>

<template>
    <div>
        <DxValidationGroup ...
            @initialized="saveInstance">
        </DxValidationGroup>
    </div>
</template>

<script setup>
import DxValidationGroup from 'devextreme-vue/validation-group';

let validationGroupInstance = null;

const saveInstance = (e) => {
    validationGroupInstance = e.component;
}
</script>

React

App.js

import ValidationGroup from 'devextreme-react/validation-group';

class App extends React.Component {
    constructor(props) {
        super(props);

        this.saveInstance = this.saveInstance.bind(this);
    }

    saveInstance(e) {
        this.validationGroupInstance = e.component;
    }

    render() {
        return (
            <div>
                <ValidationGroup onInitialized={this.saveInstance} />
            </div>
        );
    }
}

jQuery

Get a UI component Instance in jQuery

Angular

Get a UI component Instance in Angular

Vue

Get a UI component Instance in Vue

React

Get a UI component Instance in React

onOptionChanged

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

Selector: @option-changed

Type:

Function

Function parameters:

e:

OptionChangedEvent

Information about the event.

Object structure:

Name	Type	Description
value	any	The modified property's new value.
previousValue	any	The UI component's previous value.
name	String	The modified property if it belongs to the first level. Otherwise, the first-level property it is nested into.
fullName	String	The path to the modified property that includes all parent properties.
element	HTMLElement \| jQuery	The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	ValidationGroup	The UI component's instance.

Default Value: null

The following example shows how to subscribe to component property changes:

jQuery

index.js

$(function() {
    $("#validationGroupContainer").dxValidationGroup({
        // ...
        onOptionChanged: function(e) {
            if(e.name === "changedProperty") {
                // handle the property change here
            }
        }
    });
});

Angular

app.component.html

app.component.ts

app.module.ts

<dx-validation-group ...
    (onOptionChanged)="handlePropertyChange($event)"> 
</dx-validation-group>

import { Component } from '@angular/core'; 

@Component({ 
    selector: 'app-root', 
    templateUrl: './app.component.html', 
    styleUrls: ['./app.component.css'] 
}) 

export class AppComponent { 
    // ...
    handlePropertyChange(e) {
        if(e.name === "changedProperty") { 
            // handle the property change here
        }
    }
}

import { BrowserModule } from '@angular/platform-browser'; 
import { NgModule } from '@angular/core'; 
import { AppComponent } from './app.component'; 
import { DxValidationGroupModule } from 'devextreme-angular'; 

@NgModule({ 
    declarations: [ 
        AppComponent 
    ], 
    imports: [ 
        BrowserModule, 
        DxValidationGroupModule 
    ], 
    providers: [ ], 
    bootstrap: [AppComponent] 
}) 

export class AppModule { }

Vue

App.vue

<template> 
    <DxValidationGroup ...
        @option-changed="handlePropertyChange"
    />            
</template> 

<script>  
import 'devextreme/dist/css/dx.light.css'; 
import DxValidationGroup from 'devextreme-vue/validation-group'; 

export default { 
    components: { 
        DxValidationGroup
    }, 
    // ...
    methods: { 
        handlePropertyChange: function(e) {
            if(e.name === "changedProperty") {
                // handle the property change here
            }
        }
    } 
} 
</script>

React

App.js

import React from 'react';  
import 'devextreme/dist/css/dx.light.css'; 

import ValidationGroup from 'devextreme-react/validation-group'; 

const handlePropertyChange = (e) => {
    if(e.name === "changedProperty") {
        // handle the property change here
    }
}

export default function App() { 
    return ( 
        <ValidationGroup ...
            onOptionChanged={handlePropertyChange}
        />        
    ); 
}

width

Specifies the UI component's width.

Type:

|

|

Return Value:

|

The UI component's width.

Default Value: undefined

This property accepts a value of one of the following types:

Number
The width in pixels.
String
A CSS-accepted measurement of width. For example, "55px", "20vw", "80%", "auto", "inherit".
Function (deprecated since v21.2)
Refer to the W0017 warning description for information on how you can migrate to viewport units.

Vue ValidationGroup Props

See Also

jQuery

Angular

Vue

React

elementAttr

jQuery

Angular

Vue

React

height

onDisposing

onInitialized

Angular

Vue

React

See Also

jQuery

Angular

Vue

React

onOptionChanged

jQuery

Angular

Vue

React

width