dispose()
The following code disposes of an ValidationGroup instance that corresponds to the element ID (or reference variable in Angular) and removes the element from the DOM:
jQuery
$("#myValidationGroup").dxValidationGroup("dispose"); $("#myValidationGroup").remove();
Angular
<dx-validation-group #validationGroupVar id="myValidationGroup"></dx-validation-group>
import { ..., ViewChild } from "@angular/core"; import { DxValidationGroupComponent } from "devextreme-angular"; // ... export class AppComponent { @ViewChild("validationGroupVar") validationGroup: DxValidationGroupComponent; removeValidationGroup (e) { this.validationGroup.instance.dispose(); document.getElementById("myValidationGroup").remove(); } }
getInstance(element)
getInstance is a static method that the widget class supports. The following code demonstrates how to get the ValidationGroup instance found in an element with the myValidationGroup
ID:
// Modular approach import ValidationGroup from 'devextreme/ui/validation_group'; ... let element = document.getElementById("myValidationGroup"); let instance = ValidationGroup.getInstance(element) as ValidationGroup; // Non-modular approach let element = document.getElementById("myValidationGroup"); let instance = DevExpress.ui.dxValidationGroup.getInstance(element);
See Also
reset()
Resets the value and validation result of the editors that are included to the current validation group.
validate()
Validates rules of the validators that belong to the current validation group.
The returned object contains the following fields:
isValid: Boolean
Indicates whether all the rules checked for the group are satisfied.brokenRules: Array
Rules that failed to pass the check. Their structure is described in the Validation Rules section.validators: Array
Validator widgets included in the validated group.
As an alternative to this method, you can use the DevExpress.validationEngine.validateGroup(group) function passing the current group as a parameter.
If you have technical questions, please create a support ticket in the DevExpress Support Center.