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jQWidgets jqxDataTable showColumn() Method

  • Last Updated : 10 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 showColumn() method is used to show the hidden column.

Syntax:

$("#dataTable").jqxDataTable('showColumn', 'dataField');

Parameters: This method accepts a parameter which is illustrated below:

  • dataField: This is the specified hidden data field column that is going to be showed.

 

Linked Files: Download https://www.jqwidgets.com/download/ 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 showColumn() method.

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"];
  
            let a = 0;
            while (a < 4) {
                var row = {};
                row["Employee_Name"] = Employee_Name[a];
                row["Company"] = Company[a];
                row["Designation"] = Designation[a]
                data[a] = row;
                a++;
            }
  
            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',
                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',
                height: 30
            });
            $("#table").jqxDataTable('hideColumn',
                'Employee_Name');
            $('#jqxbutton').click(function () {
                $("#table").jqxDataTable('showColumn',
                    'Employee_Name');
            });
        });
    </script>
</head>
  
<body>
    <center>
        <h1 style="color: green;"
          GeeksforGeeks 
        </h1>
        <h3
          jQWidgets jqxDataTable showColumn() Method 
        </h3>
        <div id="table"></div>
        <input type="button" style="margin: 20px;" 
               id="jqxbutton"
               value="Show the hidden column"/>
    </center>
</body>
  
</html>

Output:

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


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