LoadIndicator

The LoadIndicator is a UI element notifying the viewer that a process is in progress.

Included in: dx.mobile.js, dx.web.js, dx.viz-web.js, dx.all.js
Export: default
LoadIndicator interactive configuration
Copy Code
Copy to Codepen
$("#loadindicator").dxLoadIndicator({
});

                    

You can create the widget using one of the following approaches.

jQuery
JavaScript
HTML
$(function () {
    $("#loadIndicator").dxLoadIndicator({
        visible: true
    });
});
<div id="loadIndicator"></div>
Angular
HTML
TypeScript
<dx-load-indicator [(visible)]="isLoadIndicatorVisible"></dx-load-indicator>
export class AppComponent {
    isLoadIndicatorVisible = true;
}
AngularJS
HTML
JavaScript
<div ng-controller="DemoController">
    <div dx-load-indicator="{
        bindingOptions: {
            visible: 'isLoadIndicatorVisible'
        }
    }"></div>
</div>
angular.module('DemoApp', ['dx'])
    .controller("DemoController", function ($scope) {
        $scope.isLoadIndicatorVisible = true;
    });
Knockout
HTML
JavaScript
<div data-bind="dxLoadIndicator: {
    visible: isLoadIndicatorVisible
}"></div>
var viewModel = {
    isLoadIndicatorVisible: ko.observable(true)
};
ko.applyBindings(viewModel);
ASP.NET MVC Controls
Razor C#
Razor VB
@(Html.DevExtreme().LoadIndicator()
    .ID("loadIndicator")
    .Visible(true)
)
@(Html.DevExtreme().LoadIndicator() _
    .ID("loadIndicator") _
    .Visible(True)
)

Note that DevExtreme widgets require you to link the jQuery library to your application. If you use the Knockout or AngularJS approach, the Knockout or AngularJS library is also required. For detailed information on linking these libraries to your project, refer to the topics in the Installation section.

View Demo

See Also

Configuration

This section describes the configuration options of the LoadIndicator widget.

Name Description
elementAttr

Specifies the attributes to be attached to the widget's root element.

height

Specifies the widget's height.

hint

Specifies text for a hint that appears when a user pauses on the widget.

indicatorSrc

Specifies the path to an image used as the indicator.

onContentReady

A handler for the contentReady event. Executed when the widget's content is ready. This handler may be executed multiple times during the widget's lifetime depending on the number of times its content changes.

onDisposing

A handler for the disposing event. Executed when the widget is removed from the DOM using the remove(), empty(), or html() jQuery methods only.

onInitialized

A handler for the initialized event. Executed only once, after the widget is initialized.

onOptionChanged

A handler for the optionChanged event. Executed after an option of the widget is changed.

rtlEnabled

Switches the widget to a right-to-left representation.

visible

Specifies whether the widget is visible.

width

Specifies the widget's width.

Methods

This section describes members used to manipulate the widget.

Name Description
beginUpdate()

Prevents the widget from refreshing until the endUpdate() method is called.

defaultOptions(rule)

Specifies the device-dependent default configuration options for this component.

element()

Gets the root element of the widget.

endUpdate()

Refreshes the widget after a call of the beginUpdate() method.

instance()

Returns this widget's instance. Use it to access other methods of the widget.

off(eventName)

Detaches all event handlers from the specified event.

off(eventName, eventHandler)

Detaches a particular event handler from the specified event.

on(eventName, eventHandler)

Subscribes to a specified event.

on(events)

Subscribes to the specified events.

option()

Gets the widget's options.

option(optionName)

Gets a specific option value.

option(optionName, optionValue)

Assigns a new value to a specific option.

option(options)

Sets one or more options.

repaint()

Repaints the widget. Call it if you made modifications that changed the widget's state to invalid.

Events

This section describes events fired by this widget.

Name Description
contentReady

Raised when the widget's content is ready.

disposing

Raised when the widget is removed from the DOM using the remove(), empty(), or html() jQuery methods only.

initialized

Raised only once, after the widget is initialized.

optionChanged

Raised after an option of the widget is changed.

See Also