Getting Started
17 Mar 20236 minutes to read
This section explains how to use Syncfusion Vue ComboBox components in Vue 3 application.
Prerequisites
System requirements for Syncfusion Vue UI components
Creating Vue application using Vue CLI
The easiest way to create a Vue application is to use the Vue CLI
. Vue CLI versions above 4.5.0
are mandatory for creating applications using Vue 3. Use the following command to uninstall older versions of the Vue CLI.
npm uninstall vue-cli -g
Use the following commands to install the latest version of Vue CLI.
npm install -g @vue/cli
npm install -g @vue/cli-init
Create a new project using the command below.
vue create quickstart
Initiating a new project prompts us to choose the type of project to be used for the current application. Select the option Default (Vue 3)
from the menu.
Adding Syncfusion ComboBox package in the application
Syncfusion Vue packages are maintained in the npmjs.com
registry.
The ComboBox component will be used in this example. To install it use the following command.
npm install @syncfusion/ej2-vue-dropdowns --save
Adding CSS reference for Syncfusion Vue ComboBox component
Import the needed css styles for the ComboBox component along with dependency styles in the <style>
section of the src/App.vue
file as follows.
<style>
@import "../node_modules/@syncfusion/ej2-base/styles/material.css";
@import "../node_modules/@syncfusion/ej2-inputs/styles/material.css";
@import "../node_modules/@syncfusion/ej2-vue-dropdowns/styles/material.css";
</style>
Adding Syncfusion Vue ComboBox component in the application
You have completed all the necessary configurations needed for rendering the Syncfusion Vue component. Now, you are going to add the ComboBox component using following steps.
Import the ComboBox component in the <script>
section of the src/App.vue
file.
<script>
import { ComboBoxComponent } from "@syncfusion/ej2-vue-dropdowns";
</script>
Register the ComboBox component.
import { ComboBoxComponent } from "@syncfusion/ej2-vue-dropdowns";
//Component registeration
export default {
name: "App",
components: {
'ejs-combobox' : ComboBoxComponent,
}
}
Add the component definition in template section.
<template>
<div class="control_wrapper">
<ejs-combobox id='combobox' :dataSource='sportsData' placeholder='Select a game'></ejs-combobox>
</div>
</template>
Summarizing the above steps, update the src/App.vue
file with following code.
<template>
<div class="control_wrapper">
<ejs-combobox id='combobox' :dataSource='sportsData' placeholder='Select a game'></ejs-combobox>
</div>
</template>
<script>
import { ComboBoxComponent } from "@syncfusion/ej2-vue-dropdowns";
//Component registeration
export default {
name: 'App',
components: {
"ejs-combobox": ComboBoxComponent
},
data () {
return {
waterMark : 'e.g. Basketball',
sportsData: ['Badminton', 'Cricket', 'Football', 'Golf', 'Tennis']
}
}
}
</script>
<style>
@import "https://ej2.syncfusion.com/vue/documentation/node_modules/@syncfusion/ej2-base/styles/material.css";
@import "../node_modules/@syncfusion/ej2-inputs/styles/material.css";
@import "../node_modules/@syncfusion/ej2-vue-dropdowns/styles/material.css";
</style>
Running the application
Run the application using the following command.
npm run serve
Custom values
The ComboBox allows the user to give input as custom value which is not required to present in predefined set of values. By default, this support is enabled by allowCustom property. In this case, both text field and value field considered as same.
The custom value will be sent to post back handler when a form is about to be submitted.
<template>
<div id="app">
<div id='container' style="margin:50px auto 0; width:250px;">
<br>
<ejs-combobox id='combobox' :dataSource='sportsData' :fields='fields' :allowCustom='allowCustom' placeholder='Select a game'></ejs-combobox>
</div>
</div>
</template>
<script>
import { ComboBoxComponent } from "@syncfusion/ej2-vue-dropdowns";
//Component registeration
export default {
name: 'App',
components: {
"ejs-combobox": ComboBoxComponent
},
data () {
return {
sportsData: [
{ Id: 'game1', Game: 'Badminton' },
{ Id: 'game2', Game: 'Football' },
{ Id: 'game3', Game: 'Tennis' }
],
fields: { text: 'Game', value: 'Id' },
allowCustom: true
}
}
}
</script>
<style>
@import "https://ej2.syncfusion.com/vue/documentation/node_modules/@syncfusion/ej2-base/styles/material.css";
@import "../node_modules/@syncfusion/ej2-inputs/styles/material.css";
@import "../node_modules/@syncfusion/ej2-vue-dropdowns/styles/material.css";
</style>
Configure the popup list
By default, the width of the popup list automatically adjusts according to the ComboBox input element’s width, and the height of the popup list has ‘300px’.
The height and width of the popup list can also be customized using the popupHeight and popupWidth property respectively.
In the following sample, popup list’s width and height have configured.
<template>
<div id="app">
<div id='container' style="margin:50px auto 0; width:250px;">
<br>
<ejs-combobox id='combobox' :dataSource='sportsData' popupHeight="200px" popupWidth="250px" placeholder="select a game"></ejs-combobox>
</div>
</div>
</template>
<script>
import { ComboBoxComponent } from "@syncfusion/ej2-vue-dropdowns";
//Component registeration
export default {
name: 'App',
components: {
"ejs-combobox": ComboBoxComponent
},
data (){
return {
sportsData:['Badminton', 'Basketball', 'Cricket', 'Football', 'Golf', 'Hockey', 'Rugby', 'Snooker', 'Tennis']
}
}
}
</script>
<style>
@import "../node_modules/@syncfusion/ej2-base/styles/material.css";
@import "../node_modules/@syncfusion/ej2-inputs/styles/material.css";
@import "../node_modules/@syncfusion/ej2-vue-dropdowns/styles/material.css";
</style>
Output be like the below.