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Show items count in Group Header in Vue ListView component

The ListView component supports wrapping list items into a group based on the category. The category of each list item can be mapped with groupBy field of the data source. You can display grouped list items count in the list-header using the group header template. Refer to the following code sample to display grouped list item count.

Source
Preview
app.vue
<template>
  <div class="control-section">
    <div id = 'flat-list'>
    <!-- ListView element -->
    <ejs-listview id='List' ref='list' :dataSource='data' :fields='fields' :template="demotemplate" :groupTemplate="grouptemplate" >
    </ejs-listview>
    </div>
  </div>
</template>
<style>
  .count{
    float:right;
  }
  #List {
      display: block;
      margin: auto;
      border: 1px solid;
      border-color: #ccc;
      border-color: rgba(0, 0, 0, 0.12);
      width: 60%;
  }

  #List .settings {
      height: auto;
  }

  #List .e-list-item {
      height: auto;
      padding: 0;
      cursor: pointer;
      box-sizing: border-box;
      border: 0.1px solid #ccc;
  }
  #List .e-list-header .e-text {
      font-family: sans-serif;
      font-size: 18px;
      line-height: 26px;
  }
  #List #content {
    margin: 3px;
  }
  #List .name {
      font-size: 12px;
      line-height: 25px;
  }

  #info {
    line-height: 20px;
    font-size: 12px;
  }

  #postImg {
     margin: 9px;
 }

  #postContainer {
  width: inherit;
  margin: auto;
  display: inline-flex;
}
</style>
<script>
import Vue from "vue";
import { ListViewPlugin } from "@syncfusion/ej2-vue-lists";
Vue.use(ListViewPlugin);
var demoVue = Vue.component("demo", {
  template: `<div class="settings">
              <div id="postContainer">
                  <div id="postImg">
                      <img :src='data.image' style="height:35px;width:35px;border-radius:50%; border: 1px solid #ccc;" /></div>
                  <div id="content">
                      <div class="name">{{data.Name}}</div>
                      <div id="info">{{data.contact}}</div>
                  </div>
              </div>
          </div>`,
  data() {
    return {
      data: {}
    };
  }
});
var tempVue = Vue.component("demo", {
  template: `<div><span class="category">{{data.items[0].category}}</span> <span class="count"> {{data.items.length}} Item(s)</span></div>`,
  data() {
    return {
      data: {}
    };
  }
});
export default {
  data: function() {
    return {
      data: [
        { Name: 'Nancy', contact:'(206) 555-985774', id: '1', image: 'https://ej2.syncfusion.com/demos/src/grid/images/1.png',  category: 'Experience'},
        { Name: 'Janet', contact: '(206) 555-3412', id: '2', image: 'https://ej2.syncfusion.com/demos/src/grid/images/3.png', category: 'Fresher' },
        { Name: 'Margaret', contact:'(206) 555-8122', id:'4', image: 'https://ej2.syncfusion.com/demos/src/grid/images/4.png', category: 'Experience' },
        { Name: 'Andrew ', contact:'(206) 555-9482', id: '5', image: 'https://ej2.syncfusion.com/demos/src/grid/images/2.png', category: 'Experience'},
        { Name: 'Steven', contact:'(71) 555-4848', id: '6', image: 'https://ej2.syncfusion.com/demos/src/grid/images/5.png', category: 'Fresher' },
        { Name: 'Michael', contact:'(71) 555-7773', id: '7', image: 'https://ej2.syncfusion.com/demos/src/grid/images/6.png', category: 'Experience' },
        { Name: 'Robert', contact:'(71) 555-5598', id: '8', image: 'https://ej2.syncfusion.com/demos/src/grid/images/7.png', category: 'Fresher' },
        { Name: 'Laura', contact:'(206) 555-1189', id: '9', image: 'https://ej2.syncfusion.com/demos/src/grid/images/8.png', category: 'Experience' },
    ],
         fields: {text: 'Name', groupBy: 'category'},
       demotemplate: function () {
                return { template : demoVue}
            },
             grouptemplate: function () {
                return { template : tempVue}
            },
    };
  },
}
</script>