JavaScript/jQuery ValidationGroup Methods
This section describes members used to manipulate the UI component.
See Also
dispose()
Disposes of all the resources allocated to the ValidationGroup instance.
jQuery
After calling this method, remove the DOM element associated with the UI component:
$("#myValidationGroup").dxValidationGroup("dispose");
$("#myValidationGroup").remove();Angular
Use conditional rendering instead of this method:
<dx-validation-group ...
*ngIf="condition">
</dx-validation-group>Vue
Use conditional rendering instead of this method:
<template>
<DxValidationGroup ...
v-if="condition">
</DxValidationGroup>
</template>
<script>
import DxValidationGroup from 'devextreme-vue/validation-group';
export default {
components: {
DxValidationGroup
}
}
</script>React
Use conditional rendering instead of this method:
import React from 'react';
import ValidationGroup from 'devextreme-react/validation-group';
function DxValidationGroup(props) {
if (!props.shouldRender) {
return null;
}
return (
<ValidationGroup ... >
</ValidationGroup>
);
}
class App extends React.Component {
render() {
return (
<DxValidationGroup shouldRender="condition" />
);
}
}
export default App;element()
Gets the root UI component element.
An HTML element or a jQuery element when you use jQuery.
See Also
getInstance(element)
Gets the instance of a UI component found using its DOM node.
The UI component's instance.
getInstance is a static method that the UI component 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
instance()
Gets the UI component's instance. Use it to access other methods of the UI component.
This UI component's instance.
See Also
off(eventName)
Detaches all event handlers from a single event.
The event's name.
The object for which this method is called.
See Also
off(eventName, eventHandler)
Detaches a particular event handler from a single event.
The object for which this method is called.
See Also
on(eventName, eventHandler)
Subscribes to an event.
The object for which this method is called.
Use this method to subscribe to one of the events listed in the Events section.
See Also
on(events)
Subscribes to events.
Events with their handlers: { "eventName1": handler1, "eventName2": handler2, ...}
The object for which this method is called.
Use this method to subscribe to several events with one method call. Available events are listed in the Events section.
See Also
option(optionName)
Gets the value of a single property.
The property's name or full path.
This property's value.
See Also
option(options)
Updates the values of several properties.
Options with their new values.
See Also
reset()
Resets the value and validation result of the editors that are included to the current validation group.
resetOption(optionName)
Resets a property to its default value.
A property's name.
See Also
validate()
Validates rules of the validators that belong to the current validation group.
The current group's validation result.
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.