jQWidgets jqxDataTable showColumn() 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、经过优化、独立于平台且得到广泛支持的框架。 jqxDataTable用于读取和显示 HTML 表中的数据。这也用于显示来自各种数据源（如 XML、JSON、Array、CSV 或 TSV）的数据。

showColumn()方法用于显示隐藏列。

句法：

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

参数：此方法接受一个参数，如下所示：

• dataField：这是要显示的指定隐藏数据字段列。

链接文件：从给定链接下载 https://www.jqwidgets.com/download/。在 HTML 文件中，找到下载文件夹中的脚本文件。

示例：下面的示例说明了 jQWidgets showColumn()方法。

HTML

  

    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
        $(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');
            });
        });
    

  

    
         
          GeeksforGeeks 
        
         
          jQWidgets jqxDataTable showColumn() Method 
        
        
        
    

  

输出：

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