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Data Binding

The AutoComplete loads the data either from local data sources or remote data services using the dataSource property. It supports the data type of array or DataManager. The AutoComplete also supports different kind of data services such as OData, OData V4, Web API and data formats such as XML, JSON, JSONP with the help of DataManager Adaptors.

Fields Type Description
value number or string Specifies the hidden data value mapped to each list item that should contain a unique value.
groupBy string Specifies the category under which the list item has to be grouped.
iconCss string Specifies the icon class of each list item

While binding complex data to AutoComplete, fields should be mapped correctly. Otherwise, the selected item remains undefined.

Bind to local data

Local data can be represented in two ways, they are as follows:

Array of string

The AutoComplete has support to load array of primitive data such as strings and numbers.

Source
Preview
app.vue
<template>
    <div id="app">
    <ejs-autocomplete :dataSource='sportsData' :placeholder="waterMark" ></ejs-autocomplete>
  </div>
</template>
<script>
import Vue from 'vue';
import { AutoCompletePlugin } from '@syncfusion/ej2-vue-dropdowns';

Vue.use(AutoCompletePlugin);
export default {
  name: 'app',
   data () {
    return {
      waterMark : 'Find a game',
      allowCustom: true,
      sportsData: ['Badminton', 'Basketball', 'Cricket',
                'Football', 'Golf', 'Gymnastics',
                '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";
  #app {
    color: #008cff;
    height: 40px;
    left: 35%;
    position: absolute;
    top: 35%;
    width: 30%;
  }
</style>

Array of object

The AutoComplete can generate its list items through an array of complex data. For this, the appropriate columns should be mapped to the fields property.

In the following example, Game column from complex data have been mapped to the value field.

Source
Preview
app.vue
<template>
    <div id="app">
    <ejs-autocomplete :dataSource='sportsData' :fields='fields' :placeholder="waterMark" ></ejs-autocomplete>
  </div>
</template>
<script>
import Vue from 'vue';
import { AutoCompletePlugin } from '@syncfusion/ej2-vue-dropdowns';

Vue.use(AutoCompletePlugin);
export default {
  name: 'app',
   data () {
    return {
      waterMark : 'Find a game',
      sportsData: [
          { Id: 'Game1', Game: 'Badminton' },
    { Id: 'Game2', Game: 'Basketball' },
    { Id: 'Game3', Game: 'Cricket' },
    { Id: 'Game4', Game: 'Football' },
    { Id: 'Game5', Game: 'Golf' },
    { Id: 'Game6', Game: 'Hockey' },
    { Id: 'Game7', Game: 'Rugby' },
    { Id: 'Game8', Game: 'Snooker' }
    ],
    fields: { value: 'Game' }
    }
  }
}
</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";
  #app {
    color: #008cff;
    height: 40px;
    left: 35%;
    position: absolute;
    top: 35%;
    width: 30%;
  }
</style>

Array of complex object

The AutoComplete can generate its list items through an array of complex data. For this, the appropriate columns should be mapped to the fields property. In the following example, Country.Name column from complex data have been mapped to the value field.

Source
Preview
app.vue
<template>
    <div id="app">
    <ejs-autocomplete :dataSource='countriesData' :fields='fields' :placeholder="waterMark" ></ejs-autocomplete>
  </div>
</template>
<script>
import Vue from 'vue';
import { AutoCompletePlugin } from '@syncfusion/ej2-vue-dropdowns';

Vue.use(AutoCompletePlugin);
export default {
  name: 'app',
   data () {
    return {
      waterMark : 'Find a country',
      countriesData: [
          { Country: { Name: 'Australia' }, Code: { Id: 'AU' }},
        { Country: { Name: 'Bermuda' },Code: { Id: 'BM' }},
        { Country:{ Name: 'Canada'}, Code:{ Id: 'CA'} },
        { Country:{Name: 'Cameroon'}, Code:{ Id: 'CM'} },
        { Country:{Name: 'Denmark'}, Code:{ Id: 'DK' }},
        { Country:{Name: 'France'}, Code: { Id:'FR'} },
        { Country:{Name: 'Finland'}, Code:  { Id:'FI'} },
        { Country:{Name: 'Germany'}, Code: { Id:'DE'} },
        { Country:{Name: 'Greenland'}, Code:{ Id: 'GL' }},
        { Country:{Name: 'Hong Kong'}, Code: { Id:'HK'} },
        { Country:{Name: 'India'}, Code:{ Id: 'IN'} },
        { Country:{ Name: 'Italy'}, Code: { Id:'IT'} },
        { Country:{ Name: 'Japan'}, Code: { Id: 'JP'} },
        { Country:{Name: 'Mexico'}, Code: { Id: 'MX' }},
        { Country:{Name: 'Norway'}, Code: { Id: 'NO'} },
        { Country:{Name: 'Poland'}, Code: { Id: 'PL' }},
        { Country:{Name: 'Switzerland'}, Code: { Id: 'CH'} },
        { Country:{Name: 'United Kingdom'},Code: { Id: 'GB'} },
        { Country:{Name: 'United States'}, Code: { Id: 'US'} }
            ],
            fields: { value: 'Country.Name' }
    }
  }
}
</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";
  #app {
    color: #008cff;
    height: 40px;
    left: 35%;
    position: absolute;
    top: 10%;
    width: 30%;
  }
</style>

Bind to remote data

The AutoComplete supports retrieval of data from remote data services with the help of DataManager component. The Query property is used to fetch data from the database and bind it to the AutoComplete. The following sample displays the first 6 contacts from the Customers table of the Northwind data service.

Source
Preview
app.vue
<template>
    <div id="app">
    <ejs-autocomplete :dataSource='data' :fields='fields' sortOrder='sortOrder' :query='query' :placeholder="waterMark" ></ejs-autocomplete>
  </div>
</template>
<script>
import Vue from 'vue';
import { AutoCompletePlugin } from '@syncfusion/ej2-vue-dropdowns';
import { Query, DataManager, ODataV4Adaptor } from '@syncfusion/ej2-data';

Vue.use(AutoCompletePlugin);

var remoteData = new DataManager({
    url: 'https://services.odata.org/V4/Northwind/Northwind.svc/Customers',
    adaptor: new ODataV4Adaptor,
    crossDomain: true
});

export default {
  name: 'app',
   data () {
    return {
      waterMark : 'Find a customer',
      data: remoteData,
      fields: { value: 'ContactName' },
      query: new Query().select(['ContactName', 'CustomerID']),
      sortOrder: 'Ascending'
    }
  }
}
</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";
  #app {
    color: #008cff;
    height: 40px;
    left: 35%;
    position: absolute;
    top: 12%;
    width: 30%;
  }
</style>

See Also

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