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jQWidgets jqxDataTable applyFilters() Method

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  • Last Updated : 04 Oct, 2021

jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful, optimized, platform-independent, and widely supported framework. The jqxDataTable is used for reading and displaying the data from the HTML Table. This is also used to display data from various data sources like XML, JSON, Array, CSV, or TSV.

The applyFilters() method is used to apply the added or removed filters. This function does not accept any parameters.

Syntax:

$("#dataTable").jqxDataTable('applyFilters');

Linked Files: Download jQWidgets from the given link. In the HTML file, locate the script files in the downloaded folder.

<link rel=”stylesheet” href=”jqwidgets/styles/jqx.base.css” type=”text/css” />
<script type=”text/javascript” src=”scripts/jquery.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdata.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxbuttons.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxscrollbar.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxlistbox.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdropdownlist.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdatatable.js”></script>

Example: The below example illustrates the jQWidgets applyFilters() method. In this example, the data table contents are being filtered according to the company name “GeeksforGeeks”.

HTML




<!DOCTYPE html>
<html lang="en">
   <head>
      <link rel="stylesheet" 
         href="jqwidgets/styles/jqx.base.css"
         type="text/css" />
      <script type="text/javascript"
         src="scripts/jquery.js"></script>
      <script type="text/javascript"
         src="jqwidgets/jqxcore.js"></script>
      <script type="text/javascript" 
         src="jqwidgets/jqxdata.js"></script>
      <script type="text/javascript"
         src="jqwidgets/jqxbuttons.js"></script>
      <script type="text/javascript" 
         src="jqwidgets/jqxscrollbar.js"></script>
      <script type="text/javascript"
         src="jqwidgets/jqxlistbox.js"></script>
      <script type="text/javascript" 
         src="jqwidgets/jqxdropdownlist.js"></script>
      <script type="text/javascript"
         src="jqwidgets/jqxdatatable.js"></script>
      <script>
         $(document).ready(function () {
             var data = new Array();
             var Employee_Name = [
                  "Ravi", "Sumit", "Amit", "Aakash"];
             var Company = [
               "GeeksforGeeks",
               "Amazon", "Google",
               "GeeksforGeeks"];
             var Designation = [
               "Content Writer", "Software Engineer", 
               "Data Scientist", "HR"];
           
         for (var i = 0; i < 4; i++) {
             var row = {};
             row["Employee_Name"] = Employee_Name[i];
             row["Company"] = Company[i];
             row["Designation"] = Designation[i]
             data[i] = row;
         }
           
         var source = {
             localData: data,
             dataType: "array",
             dataFields: [{
                 name: 'Employee_Name',
                 type: 'string'
             }, {
                 name: 'Company',
                 type: 'string'
             }, {
                 name: 'Designation',
                 type: 'string'
             }]
         };
           
         var dataAdapter
             new $.jqx.dataAdapter(source);
         $("#table").jqxDataTable({
             width: 550,
             theme: 'energyblue',
             pageable: true,
             editable: true,
             source: dataAdapter,
             columns: [{
                 text: 'Employee_Name',
                 dataField: 'Employee_Name',
                 width: 200
             }, {
                 text: 'Company',
                 dataField: 'Company',
                 width: 160
             }, {
                 text: 'Designation',
                 dataField: 'Designation',
                 width: 190
             }]
         });
         $("#jqxbutton").jqxButton({
             theme: 'energyblue',
             width: 200,
             height: 30
         });
         $('#jqxbutton').click(function () {
             var filtertype = 'stringfilter';
             var filtergroup = new $.jqx.filter();
             var filter_or_operator = 1;
             var filtervalue = "GeeksforGeeks";
             var filtercondition = 'equal';
             var filter = filtergroup.createfilter(
               filtertype, filtervalue, filtercondition);
             filtergroup.addfilter(filter_or_operator, filter);
             $("#table").jqxDataTable(
               'addFilter', 'Company', filtergroup
             );
             $("#table").jqxDataTable('applyFilters');
         });
         });
      </script>
   </head>
   <body>
      <center>
         <h1 style="color: green;"> GeeksforGeeks </h1>
         <h3> jQWidgets jqxDataTable 
            applyFilters() Method 
         </h3>
         <div id="table"></div>
         <input type="button" style="margin: 20px;"
            id="jqxbutton" 
            value="Apply the filters" />
      </center>
   </body>
</html>


Output:

Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxdatatable/jquery-datatable-api.htm


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