Angular Validator Methods
dispose()
jQuery
After calling this method, remove the DOM element associated with the UI component:
JavaScript
$("#myValidator").dxValidator("dispose");
$("#myValidator").remove();Angular
Use conditional rendering instead of this method:
app.component.html
<dx-validator ...
*ngIf="condition">
</dx-validator>Vue
Use conditional rendering instead of this method:
App.vue
<template>
<DxValidator ...
v-if="condition">
</DxValidator>
</template>
<script>
import DxValidator from 'devextreme-vue/validator';
export default {
components: {
DxValidator
}
}
</script>React
Use conditional rendering instead of this method:
App.js
import React from 'react';
import Validator from 'devextreme-react/validator';
function DxValidator(props) {
if (!props.shouldRender) {
return null;
}
return (
<Validator ... >
</Validator>
);
}
class App extends React.Component {
render() {
return (
<DxValidator shouldRender="condition" />
);
}
}
export default App;getInstance(element)
Return Value:
getInstance is a static method that the UI component class supports. The following code demonstrates how to get the Validator instance found in an element with the myValidator ID:
// Modular approach
import Validator from "devextreme/ui/validator";
...
let element = document.getElementById("myValidator");
let instance = Validator.getInstance(element) as Validator;
// Non-modular approach
let element = document.getElementById("myValidator");
let instance = DevExpress.ui.dxValidator.getInstance(element);See Also
on(eventName, eventHandler)
Return Value:
Use this method to subscribe to one of the events listed in the Events section.
See Also
on(events)
Parameters:
events:
Return Value:
Use this method to subscribe to several events with one method call. Available events are listed in the Events section.
See Also
validate()
Validates the value of the editor that is controlled by the current Validator object against the list of the specified validation rules.
Return Value:
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