DevExtreme jQuery/JS - Overview
The SelectBox widget is an editor that allows an end user to select an item from a drop-down list.
The following code adds the SelectBox to your page. The simplest configuration of the widget requires only a dataSource to be specified. In addition, you can specify the placeholder to be displayed when the SelectBox is empty.
jQuery
HTML
JavaScript
<div id="selectBoxContainer"></div>
$(function() {
$("#selectBoxContainer").dxSelectBox({
dataSource: [
"HD Video Player",
"SuperHD Video Player",
"SuperPlasma 50",
// ...
],
placeholder: "Select a product..."
});
});Angular
HTML
TypeScript
<dx-select-box
[dataSource]="products"
placeholder="Select a product...">
</dx-select-box>
import { DxSelectBoxModule } from "devextreme-angular";
// ...
export class AppComponent {
products = [
"HD Video Player",
"SuperHD Video Player",
"SuperPlasma 50",
// ...
];
}
@NgModule({
imports: [
// ...
DxSelectBoxModule
],
// ...
})If your data is an array of objects, specify:
- valueExpr
The data field whose value will be written into the value option. - displayExpr
The data field whose value will be displayed in the drop-down list and in the input field of the widget.
jQuery
JavaScript
var selectBoxData = [
{ id: 1, country: "Afghanistan" },
{ id: 2, country: "Albania" },
// ...
];
$(function() {
$("#selectBoxContainer").dxSelectBox({
dataSource: selectBoxData,
valueExpr: 'id',
displayExpr: 'country'
});
});Angular
HTML
TypeScript
<dx-select-box
[dataSource]="selectBoxData"
valueExpr="id"
displayExpr="country">
</dx-select-box>
import { DxSelectBoxModule } from "devextreme-angular";
// ...
export class AppComponent {
selectBoxData = [
{ id: 1, country: "Afghanistan" },
{ id: 2, country: "Albania" },
// ...
];
}
@NgModule({
imports: [
// ...
DxSelectBoxModule
],
// ...
})See Also
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
- SelectBox - Customize Item Appearance
- SelectBox - Configure Search Parameters
- SelectBox - Create a User-Defined Item
- SelectBox - Handle the Value Change Event
- SelectBox - Keyboard Support
- SelectBox API Reference
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