JavaScript/jQuery CheckBox Options
See Also
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
accessKey
The value of this option will be passed to the accesskey attribute of the HTML element that underlies the widget.
elementAttr
Specifies the attributes to be attached to the widget's root element.
jQuery
$(function(){
$("#checkBoxContainer").dxCheckBox({
// ...
elementAttr: {
id: "elementId",
class: "class-name"
}
});
});Angular
<dx-check-box ...
[elementAttr]="{ id: 'elementId', class: 'class-name' }">
</dx-check-box>
import { DxCheckBoxModule } from "devextreme-angular";
// ...
export class AppComponent {
// ...
}
@NgModule({
imports: [
// ...
DxCheckBoxModule
],
// ...
})ASP.NET MVC Controls
@(Html.DevExtreme().CheckBox()
.ElementAttr("class", "class-name")
// ===== or =====
.ElementAttr(new {
@id = "elementId",
@class = "class-name"
})
// ===== or =====
.ElementAttr(new Dictionary<string, object>() {
{ "id", "elementId" },
{ "class", "class-name" }
})
)@(Html.DevExtreme().CheckBox() _
.ElementAttr("class", "class-name")
' ===== or =====
.ElementAttr(New With {
.id = "elementId",
.class = "class-name"
})
' ===== or =====
.ElementAttr(New Dictionary(Of String, Object) From {
{ "id", "elementId" },
{ "class", "class-name" }
})
)height
This option accepts a value of one of the following types:
Number
The height in pixels.String
A CSS-accepted measurement of height. For example,"55px","80%","inherit".Function
A function returning either of the above. For example:JavaScriptheight: function() { return window.innerHeight / 1.5; }
The option affects only the size of the widget container. To specify the size of a check box icon, provide the appropriate CSS rules.
#checkBoxContainer .dx-checkbox-icon{
height: 20px;
width: 20px;
}name
Specify this option if the widget lies within an HTML form that will be submitted.
If you configure the widget as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control, use this option to bind the widget to a model property. If this model property contains Data Annotation validation attributes, you get the client-side validation enabled by default.
onContentReady
A function that is executed when the widget's content is ready and each time the content is changed.
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only when using Knockout. |
onDisposing
A function that is executed before the widget is disposed of.
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only if you use Knockout. |
onInitialized
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
onOptionChanged
| Name | Type | Description |
|---|---|---|
| model |
The model data. Available only if you use Knockout. |
|
| fullName |
The path to the modified option that includes all parent options. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| component |
The widget's instance. |
|
| name |
The modified option if it belongs to the first level. Otherwise, the first-level option it is nested into. |
|
| value | any |
The modified option's new value. |
onValueChanged
A function that is executed after the widget's value is changed.
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| event | Event (jQuery or EventObject) |
The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery. |
| jQueryEvent |
Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field. |
|
| model |
The model data. Available only if Knockout is used. |
|
| previousValue |
The widget's previous value. |
|
| value |
The widget's new value. |
rtlEnabled
When this option is set to true, the widget text flows from right to left, and the layout of elements is reversed. To switch the entire application/site to the right-to-left representation, assign true to the rtlEnabled field of the object passed to the DevExpress.config(config) method.
DevExpress.config({
rtlEnabled: true
});See Also
- Right-to-Left Support Demo: DataGrid | Navigation Widgets | Editors
tabIndex
The value of this option will be passed to the tabindex attribute of the HTML element that underlies the widget.
validationError
Specifies information on the validation error when using a custom validation engine. Should be changed at runtime along with the isValid option.
validationMessageMode
Specifies how the message about the validation rules that are not satisfied by this editor's value is displayed.
The following option values are possible:
- auto
The tooltip with the message is displayed when the editor is in focus. - always
The tooltip with the message is not hidden when the editor loses focus.
Use the ValidationMessageMode enum to specify this option when the widget is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: Auto and Always.
value
The check box can be in one of the following states depending on the value option value.
checked
value is trueunchecked
value is falseundetermined
value is undefined
An end-user can change the widget value using the Space key.
width
This option accepts a value of one of the following types:
Number
The width in pixels.String
A CSS-accepted measurement of width. For example,"55px","80%","auto","inherit".Function
A function returning either of the above. For example:JavaScriptwidth: function() { return window.innerWidth / 1.5; }
The option affects only the size of the widget container. To specify the size of a check box icon, provide the appropriate CSS rules.
#checkBoxContainer .dx-checkbox-icon{
height: 20px;
width: 20px;
}