Vue ValidationSummary Methods
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beginUpdate()
Prevents the UI component from refreshing until the endUpdate() method is called.
The beginUpdate() and endUpdate() methods prevent the UI component from excessive updates when you are changing multiple UI component settings at once. After the beginUpdate() method is called, the UI component does not update its UI until the endUpdate() method is called.
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- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
defaultOptions(rule)
defaultOptions is a static method that the UI component class supports. The following code demonstrates how to specify default properties for all instances of the ValidationSummary UI component in an application executed on the desktop.
jQuery
DevExpress.ui.dxValidationSummary.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the ValidationSummary options } });
Angular
import ValidationSummary from "devextreme/ui/validation_summary"; // ... export class AppComponent { constructor () { ValidationSummary.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the ValidationSummary options } }); } }
Vue
<template> <div> <DxValidationSummary id="validationSummary1" /> <DxValidationSummary id="validationSummary2" /> </div> </template> <script> import DxValidationSummary from "devextreme-vue/validation-summary"; import ValidationSummary from "devextreme/ui/validation_summary"; ValidationSummary.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the ValidationSummary options } }); export default { components: { DxValidationSummary } } </script>
React
import React from "react"; import dxValidationSummary from "devextreme/ui/validation_summary"; import ValidationSummary from "devextreme-react/validation-summary"; class App extends React.Component { render () { dxValidationSummary.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the ValidationSummary options } }) return ( <div> <ValidationSummary id="validationSummary1" /> <ValidationSummary id="validationSummary2" /> </div> ) } } export default App;
dispose()
After calling this method, remove the DOM element associated with the UI component:
$("#myValidationSummary").dxValidationSummary("dispose"); $("#myValidationSummary").remove();
Use this method only if the UI component was created with jQuery or pure JavaScript. In Angular, Vue, and React, use conditional rendering:
Angular
<dx-validation-summary ... *ngIf="condition"> </dx-validation-summary>
Vue
<template> <DxValidationSummary ... v-if="condition"> </DxValidationSummary> </template> <script> import DxValidationSummary from 'devextreme-vue/validation-summary'; export default { components: { DxValidationSummary } } </script>
React
import React from 'react'; import ValidationSummary from 'devextreme-react/validation-summary'; function DxValidationSummary(props) { if (!props.shouldRender) { return null; } return ( <ValidationSummary ... > </ValidationSummary> ); } class App extends React.Component { render() { return ( <DxValidationSummary shouldRender="condition" /> ); } } export default App;
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element()
An HTML element or a jQuery element when you use jQuery.
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endUpdate()
Refreshes the UI component after a call of the beginUpdate() method.
Main article: beginUpdate()
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- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
getInstance(element)
getInstance is a static method that the UI component class supports. The following code demonstrates how to get the ValidationSummary instance found in an element with the myValidationSummary
ID:
// Modular approach import ValidationSummary from "devextreme/ui/validation_summary"; ... let element = document.getElementById("myValidationSummary"); let instance = ValidationSummary.getInstance(element) as ValidationSummary; // Non-modular approach let element = document.getElementById("myValidationSummary"); let instance = DevExpress.ui.dxValidationSummary.getInstance(element);
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instance()
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off(eventName)
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- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
off(eventName, eventHandler)
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- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
on(eventName, eventHandler)
Use this method to subscribe to one of the events listed in the Events section.
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- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
on(events)
Use this method to subscribe to several events with one method call. Available events are listed in the Events section.
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- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option()
Gets all UI component properties.
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(optionName)
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(optionName, optionValue)
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(options)
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
repaint()
See Also
- reload() in DataSource | List
- refresh() in DataGrid | TreeList
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
resetOption(optionName)
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- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
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