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Searching in Vue Tree Grid component

You can search records in a TreeGrid, by using the search method with search key as a parameter. This also provides an option to integrate search text box in treegrid’s toolbar by adding search item to the toolbar.

To search records, inject the Filter module in the treegrid.

Source
Preview
app.vue
<template>
<div id="app">
        <ejs-treegrid :dataSource='data' childMapping='subtasks' :treeColumnIndex='1' :toolbar='toolbarOptions' height='270px'>
            <e-columns>
                <e-column field='taskID' headerText='Task ID' width='90' textAlign='Right'></e-column>
                <e-column field='taskName' headerText='Task Name' width='160'></e-column>
                <e-column field='startDate' headerText='Start Date' width='90' format="yMd" textAlign='Right'></e-column>
                <e-column field='duration' headerText='Duration' width='80' textAlign='Right'></e-column>
            </e-columns>
        </ejs-treegrid>
</div>
</template>
<script>
import Vue from "vue";
import { TreeGridPlugin, Filter, Toolbar } from "@syncfusion/ej2-vue-treegrid";
import { sampleData } from "./datasource.js";

Vue.use(TreeGridPlugin);

export default {
  data ()  {
    return {
      data: sampleData,
      toolbarOptions: ['Search']
    };
  },
  provide: {
      treegrid: [ Filter, Toolbar ]
    }
}
</script>

To apply search at initial rendering, set the fields, operator, key, and ignoreCase in the searchSettings.

Source
Preview
app.vue
<template>
<div id="app">
        <ejs-treegrid :dataSource='data' childMapping='subtasks' :treeColumnIndex='1' :toolbar='toolbarOptions' height='270px' :searchSettings='searchOptions' >
            <e-columns>
                <e-column field='taskID' headerText='Task ID' width='90' textAlign='Right'></e-column>
                <e-column field='taskName' headerText='Task Name' width='160'></e-column>
                <e-column field='startDate' headerText='Start Date' width='90' format="yMd" textAlign='Right'></e-column>
                <e-column field='duration' headerText='Duration' width='80' textAlign='Right'></e-column>
            </e-columns>
        </ejs-treegrid>
</div>
</template>
<script>
import Vue from "vue";
import { TreeGridPlugin, Filter, Toolbar } from "@syncfusion/ej2-vue-treegrid";
import { sampleData } from "./datasource.js";

Vue.use(TreeGridPlugin);

export default {
  data ()  {
    return {
        data: sampleData,
        toolbarOptions: ['Search'],
        searchOptions: { fields: ['taskName'], operator: 'contains', key: 'plan', ignoreCase: true }
    };
  },
  provide: {
      treegrid: [ Filter, Toolbar ]
    }
}
</script>

By default, treegrid searches all the bound column values. To customize this behavior define the searchSettings.fields property.

Search operators

The search operator can be defined in the searchSettings.operator property to configure specific searching.

The following operators are supported in searching:

Operator  Description
startsWith  Checks whether a value begins with the specified value.
endsWith  Checks whether a value ends with the specified value.
contains  Checks whether a value contains the specified value.
equal  Checks whether a value is equal to the specified value.
notEqual  Checks for values not equal to the specified value.

By default, the searchSettings.operator value is contains.

Search by external button

To search treegrid records from an external button, invoke the search method.

Source
Preview
app.vue
<template>
<div id="app">
<div class="e-float-input" style="width: 200px; display: inline-block;">
                <input type="text" class="searchtext"/>
                <span class="e-float-line"></span>
                <label class="e-float-text">Search text</label>
            </div>
        <ejs-button id='search' @click.native='search'>Search</ejs-button>
        <ejs-treegrid ref='treegrid' :dataSource='data' childMapping='subtasks' :treeColumnIndex='1' height='220px'>
            <e-columns>
                <e-column field='taskID' headerText='Task ID' width='90' textAlign='Right'></e-column>
                <e-column field='taskName' headerText='Task Name' width='160'></e-column>
                <e-column field='startDate' headerText='Start Date' width='90' format="yMd" textAlign='Right'></e-column>
                <e-column field='duration' headerText='Duration' width='80' textAlign='Right'></e-column>
            </e-columns>
        </ejs-treegrid>
</div>
</template>
<script>
import Vue from "vue";
import { TreeGridPlugin, Filter } from "@syncfusion/ej2-vue-treegrid";
import { ButtonPlugin } from '@syncfusion/ej2-vue-buttons';
import { sampleData } from "./datasource.js";

Vue.use(TreeGridPlugin);
Vue.use(ButtonPlugin);

export default {
  data ()  {
    return {
      data: sampleData,
    };
  },
    provide: {
      treegrid: [ Filter ]
    },
    methods:{
        search: function() {
        let searchText = document.getElementsByClassName('searchtext')[0].value;
        this.$refs.treegrid.search(searchText);
    }
}
}
</script>

Search specific columns

By default, treegrid searches all visible columns. You can search specific columns by defining the specific column’s field names in the searchSettings.fields property.

Source
Preview
app.vue
<template>
<div id="app">
        <ejs-treegrid :dataSource='data' childMapping='subtasks' :treeColumnIndex='1' :toolbar='toolbarOptions' height='270px' :searchSettings='searchOptions'>
            <e-columns>
                <e-column field='taskID' headerText='Task ID' width='90' textAlign='Right'></e-column>
                <e-column field='taskName' headerText='Task Name' width='160'></e-column>
                <e-column field='startDate' headerText='Start Date' width='90' format="yMd" textAlign='Right'></e-column>
                <e-column field='duration' headerText='Duration' width='80' textAlign='Right'></e-column>
            </e-columns>
        </ejs-treegrid>
</div>
</template>
<script>
import Vue from "vue";
import { TreeGridPlugin, Filter, Toolbar } from "@syncfusion/ej2-vue-treegrid";
import { sampleData } from "./datasource.js";

Vue.use(TreeGridPlugin);

export default {
  data ()  {
    return {
      data: sampleData,
      toolbarOptions: ['Search'],
      searchOptions: {fields: ['taskName', 'duration']}
    };
  },
  provide: {
      treegrid: [ Filter, Toolbar ]
    }
}
</script>
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