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
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
blur()
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
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 TextBox widget in an application executed on the desktop.
- import React from "react";
- import dxTextBox from "devextreme/ui/text_box";
- import TextBox from "devextreme-react/text-box";
- class App extends React.Component {
- render () {
- dxTextBox.defaultOptions({
- device: { deviceType: "desktop" },
- options: {
- // Here go the TextBox options
- }
- })
- return (
- <div>
- <TextBox id="textBox1" />
- <TextBox id="textBox2" />
- </div>
- )
- }
- }
- export default App;
element()
An HTML element or a jQuery element when you use jQuery.
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
endUpdate()
Refreshes the widget after a call of the beginUpdate() method.
Main article: beginUpdate()
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
focus()
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
getButton(name)
Gets an instance of a custom action button.
Use the returned button instance to call the Button widget's methods, for example, focus():
- import React from 'react';
- import 'devextreme/dist/css/dx.common.css';
- import 'devextreme/dist/css/dx.light.css';
- import TextBox from 'devextreme-react/text-box';
- class App extends React.Component {
- constructor(props) {
- super(props);
- this.textBoxRef = React.createRef();
- this.setFocus = () => {
- this.textBox.getButton('myCustomButton').focus();
- };
- }
- get textBox() {
- return this.textBoxRef.current.instance;
- }
- render() {
- return (
- <TextBox ...
- ref={this.textBoxRef}>
- </TextBox>
- );
- }
- }
- export default App;
getInstance(element)
getInstance is a static method that the widget class supports. The following code demonstrates how to get the TextBox instance found in an element with the myTextBox
ID:
- // Modular approach
- import TextBox from "devextreme/ui/text_box";
- ...
- let element = document.getElementById("myTextBox");
- let instance = TextBox.getInstance(element) as TextBox;
- // Non-modular approach
- let element = document.getElementById("myTextBox");
- let instance = DevExpress.ui.dxTextBox.getInstance(element);
See Also
instance()
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
off(eventName)
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
off(eventName, eventHandler)
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
on(eventName, eventHandler)
Use this method to subscribe to one of the events listed in the Events section.
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
on(events)
Use this method to subscribe to several events with one method call. Available events are listed in the Events section.
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option()
Gets all widget options.
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(optionName)
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(optionName, optionValue)
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(options)
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
registerKeyHandler(key, handler)
A handler. Accepts the keydown event as the argument. It is a dxEvent or a jQuery.Event when you use jQuery.
The key argument accepts one of the following values:
- "backspace"
- "tab"
- "enter"
- "escape"
- "pageUp"
- "pageDown"
- "end"
- "home"
- "leftArrow"
- "upArrow"
- "rightArrow"
- "downArrow"
- "del"
- "space"
- "F"
- "A"
- "asterisk"
- "minus"
A custom handler for a key cancels the default handler for this key.
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
repaint()
See Also
- reload() in DataSource | List
- refresh() in DataGrid | TreeList
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
reset()
Resets the value option to the default value.
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
If you have technical questions, please create a support ticket in the DevExpress Support Center.