jQWidgets jqxDataTable ensureRowVisible() 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。

ensureRowVisible()方法用于将垂直滚动条滚动到指定的行索引。

句法：

$("#dataTable").jqxDataTable('ensureRowVisible', rowIndex);

参数：此方法接受如下所示的参数：

• rowIndex：这是滚动将完成的指定行索引。

链接文件：从给定链接下载 jQWidgets。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 ensureRowVisible()方法。

HTML

  

    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    

  

    
        
            GeeksforGeeks
        
        
            jQWidgets jqxDataTable ensureRowVisible() Method
        
        
        
        
    
    
        $(document).ready(function () {
            var Data = new Array();
            var Employee_Name = [
                "Ravi", "Sumit", "Amit",
                "Vivek", "Sumit"];
            var Company = [
                "GeeksforGeeks", "Amazon",
                "Google", "Apple",
                "Capgemini"];
            var Designation = [
                "Content Writer", "Software Engineer",
                "Data Analyst", "HR", "Founder"];
  
            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,
                height: 150,
                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_for_ensureRowVisible").
                jqxButton({
                    theme: 'energyblue',
                    width: 300
                });
            $('#jqxbutton_for_ensureRowVisible').
                click(function () {
                    $("#Data_Table").
                        jqxDataTable('ensureRowVisible',
                                     4);
                });
        });
    

  

输出：

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