Событие jQWidgets jqxDataTable pageSizeChanged

Опубликовано: 31 Декабря, 2022

jQWidgets — это JavaScript-фреймворк для создания веб-приложений для ПК и мобильных устройств. Это очень мощная, оптимизированная, независимая от платформы и широко поддерживаемая платформа. jqxDataTable используется для чтения и отображения данных из таблицы HTML. Это также используется для отображения данных из различных источников данных, таких как XML, JSON, Array, CSV или TSV.

Событие pageSizeChanged активируется всякий раз, когда изменяется размер отображаемой страницы jqxDataTable.

Синтаксис:

$("Selector").on("pageSizeChanged", function (event) {
    $("#log").html("Page size is changed!");
});

Связанные файлы: Загрузите jQWidgets по данной ссылке. В файле HTML найдите файлы сценариев в загруженной папке.

<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>

Пример 1: В приведенном ниже примере показано событие jqxDataTable pageSizeChanged в jQWidgets.

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>
</head>
  
<body>
    <center>
        <h1 style="color:green;">
            GeeksforGeeks
        </h1>
        <h3>
            jQWidgets jqxDataTable pageSizeChanged event
        </h3>
        <div id="#Data_Table"></div>
        <table id="Data_Table" border="1">
            <thead>
                <tr>
                    <th>Employee_Name</th>
                    <th>Company</th>
                    <th>Designation</th>
                </tr>
            </thead>
            <tbody>
                <tr>
                    <td>Rohit</td>
                    <td>GeeksforGeeks</td>
                    <td>HR</td>
                </tr>
                <tr>
                    <td>Rahul</td>
                    <td>Capgemini</td>
                    <td>Software Engineer</td>
                </tr>
                <tr>
                    <td>Vivek</td>
                    <td>CESC</td>
                    <td>Electrical Engineer</td>
                </tr>
                <tr>
                    <td>Amit</td>
                    <td>Apple</td>
                    <td>Manager</td>
                </tr>
            </tbody>
        </table>
  
  
        <div id="log"></div>
    </center>
    <script type="text/javascript">
        $(document).ready(function () {
            $("#Data_Table").jqxDataTable({
                pageable: true,
                pagerMode: "advanced",
                pageSizeOptions: [1, 3, 5],
                pageSize: 2,
                columns: [{
                    text: "Employee_Name",
                    dataField: "Employee_Name",
                    width: 190
                }, {
                    text: "Company",
                    dataField: "Company",
                    width: 160
                }, {
                    text: "Designation",
                    dataField: "Designation",
                    width: 190
                }]
            });
            $("#Data_Table").on("pageSizeChanged", function (event) {
                $("#log").html("Page size is changed!");
            });
        });
    </script>
</body>
  
</html>

Выход:

Пример 2: Ниже приведен еще один пример события jqxDataTable pageSizeChanged в jQWidgets.

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>
</head>
  
<body>
    <center>
        <h1 style="color:green;">
            GeeksforGeeks
        </h1>
        <h3>
            jQWidgets jqxDataTable pageSizeChanged event
        </h3>
        <div id="#Data_Table"></div>
        <table id="Data_Table" border="1">
            <thead>
                <tr>
                    <th>Employee_Name</th>
                    <th>Company</th>
                    <th>Designation</th>
                </tr>
            </thead>
            <tbody>
                <tr>
                    <td>Rohit</td>
                    <td>GeeksforGeeks</td>
                    <td>HR</td>
                </tr>
                <tr>
                    <td>Rahul</td>
                    <td>Capgemini</td>
                    <td>Software Engineer</td>
                </tr>
                <tr>
                    <td>Vivek</td>
                    <td>CESC</td>
                    <td>Electrical Engineer</td>
                </tr>
                <tr>
                    <td>Amit</td>
                    <td>Apple</td>
                    <td>Manager</td>
                </tr>
            </tbody>
        </table>
  
        <div id="log"></div>
    </center>
    <script type="text/javascript">
        $(document).ready(function () {
            $("#Data_Table").jqxDataTable({
                pageable: true,
                pagerMode: "advanced",
                pageSizeOptions: [1, 3, 5],
                pageSize: 2,
                columns: [{
                    text: "Employee_Name",
                    dataField: "Employee_Name",
                    width: 190
                }, {
                    text: "Company",
                    dataField: "Company",
                    width: 160
                }, {
                    text: "Designation",
                    dataField: "Designation",
                    width: 190
                }]
            });
            $("#Data_Table").on("pageSizeChanged", function (event) {
                var args = event.args;
                var pageSize = args.pagesize;
                if (pageSize === null) {
                    $("#log").text("Page size not changed!");
                }
                else {
                    $("#log").text("Size of page changed!");
                }
  
            });
        });
    </script>
</body>
  
</html>

Выход:

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