Group header in Vue Drop down list component

16 Mar 20233 minutes to read

The following example demonstrate about how to disable the Fixed group header in DropDownList through CSS by using visibility attribute.

app.vue

<template>
  <div id="app">
    <div id='container' style="margin:20px auto 0; width:250px;">
        <br>
        <ejs-dropdownlist id='dropdownlist' popupHeight='200px' placeholder='Select a vegetable' :fields='fields' :dataSource='dataSource'></ejs-dropdownlist>
    </div>
  </div>
</template>
<script>
import Vue from 'vue';
import { DropDownListPlugin } from "@syncfusion/ej2-vue-dropdowns";
Vue.use(DropDownListPlugin);
export default {
  data () {
      var vegetableData =  [
        { Vegetable: 'Cabbage', Category: 'Leafy and Salad', Id: 'item1' },
        { Vegetable: 'Spinach', Category: 'Leafy and Salad', Id: 'item2' },
        { Vegetable: 'Wheat grass', Category: 'Leafy and Salad', Id: 'item3' },
        { Vegetable: 'Yarrow', Category: 'Leafy and Salad', Id: 'item4' },
        { Vegetable: 'Pumpkins', Category: 'Leafy and Salad', Id: 'item5' },
        { Vegetable: 'Chickpea', Category: 'Beans', Id: 'item6' },
        { Vegetable: 'Green bean', Category: 'Beans', Id: 'item7' },
        { Vegetable: 'Horse gram', Category: 'Beans', Id: 'item8' },
        { Vegetable: 'Garlic', Category: 'Bulb and Stem', Id: 'item9' },
        { Vegetable: 'Nopal', Category: 'Bulb and Stem', Id: 'item10' },
        { Vegetable: 'Onion', Category: 'Bulb and Stem', Id: 'item11' }
        ];
    return {
        dataSource : vegetableData,
        fields : { groupBy: 'Category', text: 'Vegetable', value: 'Id' }
    }
  }
}

</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";
.e-ddl .e-dropdownbase .e-fixed-head {
  visibility: hidden;
}
</style>