Angular RangeSelector Methods
This section describes the methods that can be used in code to manipulate objects related to the RangeSelector.
beginUpdate()
Prevents the UI component from refreshing until the endUpdate() method is called.
The beginUpdate() and endUpdate() methods prevent the UI component from excessive updates when you are changing multiple UI component settings at once. After the beginUpdate() method is called, the UI component does not update its UI until the endUpdate() method is called.
See Also
dispose()
Disposes of all the resources allocated to the RangeSelector instance.
After calling this method, remove the DOM element associated with the UI component:
$("#myRangeSelector").dxRangeSelector("dispose"); $("#myRangeSelector").remove();
Use this method only if the UI component was created with jQuery or pure JavaScript. In Angular, Vue, and React, use conditional rendering:
Angular
<dx-range-selector ... *ngIf="condition"> </dx-range-selector>
Vue
<template> <DxRangeSelector ... v-if="condition"> </DxRangeSelector> </template> <script> import DxRangeSelector from 'devextreme-vue/range-selector'; export default { components: { DxRangeSelector } } </script>
React
import React from 'react'; import RangeSelector from 'devextreme-react/range-selector'; function DxRangeSelector(props) { if (!props.shouldRender) { return null; } return ( <RangeSelector ... > </RangeSelector> ); } class App extends React.Component { render() { return ( <DxRangeSelector shouldRender="condition" /> ); } } export default App;
See Also
element()
Gets the root UI component element.
An HTML element or a jQuery element when you use jQuery.
getDataSource()
Gets the DataSource instance.
The DataSource instance.
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout
- Data Layer - Overview
- Data Layer - DataSource Examples
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 RangeSelector instance found in an element with the myRangeSelector
ID:
// Modular approach import RangeSelector from "devextreme/viz/range_selector"; ... let element = document.getElementById("myRangeSelector"); let instance = RangeSelector.getInstance(element) as RangeSelector; // Non-modular approach let element = document.getElementById("myRangeSelector"); let instance = DevExpress.viz.dxRangeSelector.getInstance(element);
See Also
getValue()
Gets the currently selected range.
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout
- setValue(value)
- value
- onValueChanged
instance()
Gets the UI component's instance. Use it to access other methods of the UI component.
This UI component's instance.
off(eventName)
Detaches all event handlers from a single event.
The event's name.
The object for which this method is called.
off(eventName, eventHandler)
Detaches a particular event handler from a single event.
The object for which this method is called.
on(eventName, eventHandler)
Subscribes to an event.
The object for which this method is called.
on(events)
Subscribes to events.
Events with their handlers: { "eventName1": handler1, "eventName2": handler2, ...}
The object for which this method is called.
option(optionName)
Gets the value of a single property.
The property's name or full path.
This property's value.
option(options)
Updates the values of several properties.
Options with their new values.
render()
Redraws the UI component.
Normally, the UI component redraws itself automatically after the browser window is resized. But on rare occasions, you may need to request the redrawing, for example, after the UI component's container is resized. For this purpose, call the render() method.
See Also
render(skipChartAnimation)
Redraws the UI component.
Specifies whether to animate the background chart on render.
When the size of a range selector container changes at runtime, the range selector should be redrawn explicitly. To do this, call its render(skipChartAnimation) method.
If your range selector contains a chart in the background, you can specify whether or not to animate it on render. Pass false as the parameter to animate the chart on redraw. Otherwise, pass true or call the render method without parameters.
See Also
resetOption(optionName)
Resets a property to its default value.
A property's name.
setValue(value)
Sets the selected range.
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout
- getValue()
- value
- onValueChanged
If you have technical questions, please create a support ticket in the DevExpress Support Center.