jQWidgets jqxGrid expandallgroups()方法

jQWidgets jqxGrid expandallgroups()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。jqxGrid用来说明一个jQuery widget,以表格形式显示数据。此外,它完全支持与数据的连接,以及分页、分组、排序、过滤和编辑。

expandallgroups()方法被用来扩展显示的jqxGrid的所有组。它没有参数,也不返回任何东西。

语法:

$('#Selector').jqxGrid('expandallgroups');

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-1.11.1.min.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/jqxmenu.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxgrid.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxgrid.selection.js”></script>

下面的例子说明了jQWidgets中jqxGrid expandallgroups()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-1.11.1.min.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/jqxmenu.js"></script>
    <script type="text/javascript" 
        src="jqwidgets/jqxgrid.js"></script>
    <script type="text/javascript" 
        src="jqwidgets/jqxgrid.selection.js"></script>
</head>
  
<body>
    <center>
        <h1 style="color: green;">
            GeeksforGeeks
        </h1>
  
        <h3>jQWidgets jqxGrid expandallgroups() method</h3>
        <br />
  
        <div id="jqxg"></div>
  
        <div>
            <input type="button" id="jqxBtn" 
                style="margin-top: 25px;" 
                value="Click here" />
        </div>
  
        <div id="log"></div>
    </center>
  
    <script type="text/javascript">
        (document).ready(function () {
            var d = new Array();
            var subjectNames = ["C++", "Scala", 
                "Java", "C", "R", "JavaScript"];
  
            var pageNumber = ["7", "8", "12", "11", "10", "19"];
  
            for (var j = 0; j<7; j++) {
                var r = {};
                r["subjectnames"] = subjectNames[Math.floor(
                    Math.random() * subjectNames.length)];
  
                r["pagenumber"] = pageNumber[Math.floor(
                    Math.random() * pageNumber.length)];
                d[j] = r;
            }
            var src = {
                localdata: d,
                datatype: "array",
            };
  
            var data_Adapter = new.jqx.dataAdapter(src);
              
            ("#jqxg").jqxGrid({
                source: data_Adapter,
                groupable: true,
                height: "240px",
                width: "300px",
                columns: [
                    {
                        text: "Subject Name",
                        datafield: "subjectnames",
                        width: "160px",
                    },
                    {
                        text: "Page No.",
                        datafield: "pagenumber",
                        width: "160px",
                    },
                ],
            });
  
            ("#jqxBtn").jqxButton({
                width: "180px",
                height: "30px",
            });
            ("#jqxg").jqxGrid("addgroup", "pagenumber");
            ("#jqxBtn").on("click", function () {
                ("#jqxg").jqxGrid("expandallgroups");
                ("#log").text("All groups expanded!");
            });
        });
    </script>
</body>
  
</html>

输出:

jQWidgets jqxGrid expandallgroups()方法

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