beginUpdate()
Prevents the widget from refreshing until the endUpdate() method is called.
The beginUpdate() and endUpdate() methods prevent the widget from excessive updates when you are changing multiple widget settings at once. After the beginUpdate() method is called, the widget does not update its UI until the endUpdate() method is called.
See Also
defaultOptions(rule)
defaultOptions is a static method that the widget class supports. The following code demonstrates how to specify default options for all instances of the ValidationSummary widget 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 } }); } }
dispose()
The following code disposes of an ValidationSummary instance that corresponds to the element ID (or reference variable in Angular) and removes the element from the DOM:
jQuery
$("#myValidationSummary").dxValidationSummary("dispose"); $("#myValidationSummary").remove();
Angular
<dx-validation-summary #validationSummaryVar id="myValidationSummary"></dx-validation-summary>
import { ..., ViewChild } from "@angular/core"; import { DxValidationSummaryComponent } from "devextreme-angular"; // ... export class AppComponent { @ViewChild("validationSummaryVar") validationSummary: DxValidationSummaryComponent; removeValidationSummary (e) { this.validationSummary.instance.dispose(); document.getElementById("myValidationSummary").remove(); } }
endUpdate()
Refreshes the widget after a call of the beginUpdate() method.
Main article: beginUpdate()
See Also
getInstance(element)
getInstance is a static method that the widget 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);
See Also
option()
See Also
- Get and Set Options
- Call Methods: jQuery | Angular | AngularJS | Knockout | Vue | React | ASP.NET MVC
option(optionName)
See Also
- Get and Set Options
- Call Methods: jQuery | Angular | AngularJS | Knockout | Vue | React | ASP.NET MVC
option(optionName, optionValue)
See Also
- Get and Set Options
- Call Methods: jQuery | Angular | AngularJS | Knockout | Vue | React | ASP.NET MVC
option(options)
See Also
- Get and Set Options
- Call Methods: jQuery | Angular | AngularJS | Knockout | Vue | React | ASP.NET MVC
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