jQWidgets jqxDataTable beginUpdate()方法

jQWidgets jqxDataTable beginUpdate()方法

jQWidgets是一个JavaScript框架,用于为PC和移动设备制作基于Web的应用程序。它是一个非常强大的、优化的、与平台无关的、并被广泛支持的框架。jqxDataTable是用来读取和显示HTML表的数据的。这也被用来显示来自各种数据源的数据,如XML、JSON、Array、CSV或TSV。

beginUpdate()方法用于开始更新,并停止所有进一步的刷新。这个方法不接受任何参数。

语法:

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

链接的文件:从给出的链接中下载jQWidgets。在HTML文件中,找到下载文件夹中的脚本文件。

<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>

下面的例子说明了jQWidgets beginUpdate()方法。

示例:

<!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 beginUpdate() Method 
        </h3>
        <div id="Data_Table"></div>
        <input type="button" style="margin: 31px;" 
               id="jqxbutton" 
               value="Invoke the beginUpdate() Method" />
    </center>
    <script>
        (document).ready(function () {
            var Data = new Array();
            var Employee_Name = [
                "Ravi", "Sumit", "Amit", 
                "Aakash", "Vivek"];
            var Company = [
                "GeeksforGeeks", "Amazon", 
                "Google", "Facebook",
                "GeeksforGeeks"];
            var Designation = [
                "Content Writer", "Software Engineer", 
                "Data Analyst",
                "Data Scientist", "HR"];
  
            a = 0;
            while (a<5) {
                var row = {};
                row["Employee_Name"] = Employee_Name[a];
                row["Company"] = Company[a];
                row["Designation"] = Designation[a]
                Data[a] = row;
                a++;
            }
  
            var Data_Source = {
                localData: Data,
                dataType: "array",
                dataFields: [{
                    name: 'Employee_Name',
                    type: 'string'
                }, {
                    name: 'Company',
                    type: 'string'
                }, {
                    name: 'Designation',
                    type: 'string'
                }]
            };
            var data_Adapter = 
                new.jqx.dataAdapter(Data_Source);
            ("#Data_Table").jqxDataTable({
                width: 560,
                editable: true,
                theme: 'energyblue',
                source: data_Adapter,
                columns: [{
                    text: 'Employee_Name',
                    dataField: 'Employee_Name',
                    width: 210
                }, {
                    text: 'Company',
                    dataField: 'Company',
                    width: 150
                }, {
                    text: 'Designation',
                    dataField: 'Designation',
                    width: 200
                }]
            });
            ("#jqxbutton").jqxButton({
                theme: 'energyblue',
                width: 250
            });
            ('#jqxbutton').click(function () {
                ("#Data_Table").jqxDataTable(
                              'beginUpdate');
            });
        });
    </script>
</body>
  
</html>

输出:

jQWidgets jqxDataTable beginUpdate()方法

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