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How to load JSON data in DataTables from text file for pagination ?
  • Difficulty Level : Expert
  • Last Updated : 18 Jan, 2021

We are very familiar with HTML tables which are used for storing related data. DataTables are a modern jQuery plugin for adding interactive and advanced controls to HTML tables for our webpages. Some features of DataTables are sorting, searching, pagination, and ordering of data. Many ways are available to get data into DataTables.

In this article, we will learn to load data from a text file in the DataTables which are ready for pagination or sorting.

The pre-compiled files which are needed to implement the codes are

CSS:

https://cdn.datatables.net/1.10.22/css/jquery.dataTables.min.css

JavaScript:



//cdn.datatables.net/1.10.22/js/jquery.dataTables.min.js

Example:

HTML

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code

<!DOCTYPE html>
<html>
  
<head>
    <meta content="initial-scale=1, maximum-scale=1
                user-scalable=0" name="viewport" />
    <meta name="viewport" content="width=device-width" />
  
    <!--Datatable plugin CSS file -->
    <link rel="stylesheet" href=
  
    <!--jQuery library file -->
    <script type="text/javascript" src=
    </script>
  
    <!--Datatable plugin JS library file -->
    <script type="text/javascript" src=
    </script>
</head>
  
<body>
    <h2>Datatables server side process</h2>
  
    <!--HTML table with student data-->
    <table id="tableID" class="display" 
        style="width: 100%;">
        <thead>
            <tr>
                <th>StudentID</th>
                <th>StudentName</th>
                <th>Age</th>
                <th>Gender</th>
                <th>Marks Scored</th>
            </tr>
        </thead>
        <tfoot>
            <tr>
                <th>StudentID</th>
                <th>StudentName</th>
                <th>Age</th>
                <th>Gender</th>
                <th>Marks Scored</th>
            </tr>
        </tfoot>
    </table>
  
    <script>
      
        /* Initialization of datatable */
        $(document).ready(function () {
  
            /* Student's data loaded from 
            text file */
            $('#tableID').DataTable({
                "ajax": 'ajaxData.txt'
            });
        });
    </script>
</body>
  
</html>

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ajaxData.txt: The following is the data for students table written in “ajaxData.txt” file which is used in the JavaScript part of the above code.

{
    "data": [
        [
            "ST1",
            "Preeti",
            "35",
            "Female",
            "320"
        ],
        [
            "ST2",
            "Vincy",
            "36",
            "Female",
            "170"
        ],
        [
            "ST3",
            "Ashwini",
            "41",
            "Female",
            "860"
        ],
        [
            "ST4",
            "Kelly",
            "32",
            "Female",
            "433"
        ],
        [
            "ST5",
            "Satvik",
            "41",
            "male",
            "162"
        ],
        [
            "ST6",
            "William",
            "37",
            "Female",
            "372"
        ],
        [
            "ST7",
            "Chandan",
            "31",
            "male",
            "375"
        ],
        [
            "ST8",
            "David",
            "45",
            "male",
            "327"
        ],
        [
            "ST9",
            "Harry",
            "29",
            "male",
            "205"
        ],
        [
            "ST10",
            "Frost",
            "29",
            "male",
            "300"
        ],
        [
            "ST11",
            "Ginny",
            "31",
            "male",
            "560"
        ],
        [
            "ST12",
            "Flod",
            "45",
            "Female",
            "342"
        ],
        [
            "ST13",
            "Marshy",
            "23",
            "Female",
            "470"
        ],
        [
            "ST13",
            "Kennedy",
            "43",
            "male",
            "313"
        ],
        [
            "ST14",
            "Fiza",
            "31",
            "Female",
            "750"
        ],
        [
            "ST15",
            "Silva",
            "34",
            "male",
            "985"
        ]
    ]
}

Output:

Data loaded from file:

Search and pagination execution:

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