jQWidgets jqxGrid everpresentrowposition属性用法及代码示例

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。 jqxGrid 用于说明以表格形式显示数据的 jQuery 小部件。此外，它完全支持连接数据，以及分页、分组、排序、过滤和编辑。

everpresentrowposition 属性用于设置或返回永远存在的行的位置。它是字符串类型，默认值为顶部。

其可能的值如下：

top
bottom
topAboveFilterRow

用法:

设置everpresentrowposition 属性。

$('#Selector').jqxGrid({ everpresentrowposition:'top'});

返回 everpresentrowposition 属性。

var everpresentrowposition = 
    $('#Selector').jqxGrid('everpresentrowposition');

链接文件：从给定的链接下载 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>

下面的示例说明了 jQWidgets 中的 jqxGrid everpresentrowposition 属性。

例：

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-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 everpresentrowposition
            property
        </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 < 50; 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,
                sortable:true,
                theme:'energyblue',
                filterable:true,
                showeverpresentrow:true,
                everpresentrowposition:'bottom',
                height:"250px",
                width:"250px",
                columns:[
                    {
                        text:"Subject Name",
                        datafield:"subjectnames",
                        width:"120px",
                    },
                    {
                        text:"Page No.",
                        datafield:"pagenumber",
                        width:"120px",
                    },
                ],
            });
  
            $("#jqxBtn").jqxButton({
                width:"180px",
                height:"30px",
            });
            $("#jqxBtn").on("click", function () {
                var eprp = $('#jqxg').jqxGrid('everpresentrowposition');
                $('#log').text(
                  "Position of ever present row:" + eprp
                );
            });
        });
    </script>
</body>
  
</html>

输出：

参考： https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxgrid/jquery-grid-api.htm

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注：本文由纯净天空筛选整理自nidhi1352singh大神的英文原创作品 jQWidgets jqxGrid everpresentrowposition Property。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。