ValidationGroup
The ValidationGroup is a widget that allows you to validate several editors simultaneously.
See Also
- ASP.NET MVC Controls - Data Validation
- Set Up DevExtreme: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Configuration
An object defining configuration options for the ValidationGroup widget.
| Name | Description |
|---|---|
| elementAttr | Specifies the attributes to be attached to the widget's root element. |
| height | Specifies the widget's height. |
| onDisposing | A function that is executed before the widget is disposed of. |
| onInitialized | A function used in JavaScript frameworks to save the widget instance. |
| onOptionChanged | A function that is executed after a widget option is changed. |
| width | Specifies the widget's width. |
See Also
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Methods
This section describes members used to manipulate the widget.
| Name | Description |
|---|---|
| dispose() | Disposes of all the resources allocated to the ValidationGroup instance. |
| element() | Gets the root widget element. |
| getInstance(element) | Gets the instance of a widget found using its DOM node. |
| instance() | Gets the widget's instance. Use it to access other methods of the widget. |
| off(eventName) | Detaches all event handlers from a single event. |
| off(eventName, eventHandler) | Detaches a particular event handler from a single event. |
| on(eventName, eventHandler) | Subscribes to an event. |
| on(events) | Subscribes to events. |
| option() | Gets all widget options. |
| option(optionName) | Gets the value of a single option. |
| option(optionName, optionValue) | Updates the value of a single option. |
| option(options) | Updates the values of several options. |
| reset() | Resets the value and validation result of the editors that are included to the current validation group. |
| resetOption(optionName) | Resets an option to its default value. |
| validate() | Validates rules of the validators that belong to the current validation group. |
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Events
This section describes events fired by this widget.
| Name | Description |
|---|---|
| disposing | Raised before the widget is disposed of. |
| initialized | Raised only once, after the widget is initialized. |
| optionChanged | Raised after a widget option is changed. |
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core