jQWidgets jqxDataTable isBindingCompleted()方法

jQWidgets jqxDataTable isBindingCompleted()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。

isBindingCompleted()方法是用来检查绑定是否完成的。如果输出为真,那么方法可以被调用,属性可以被设置。然而,如果输出是假的,而一个方法被调用或属性被设置,那么小组件将抛出一个异常。它没有参数。它返回一个布尔值。

语法:

var isCompleted = $("#Selector")
    .jqxDataTable('isBindingCompleted');

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>

例子1:下面的例子说明了jqxDataTable isBindingCompleted()方法在jQWidgets中的作用。

<!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
            isBindingCompleted() Method
        </h3>
  
        <div id="jqxdt"></div>
  
        <input type="button" style="margin:29px;" 
               id="jqxbtn" value="Click here" />
        <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<6; 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",
            };
            ("#jqxdt").on("bindingComplete", function (event) {
            });
            var data_Adapter = new .jqx.dataAdapter(src);
            ("#jqxdt").jqxDataTable({
                source: data_Adapter,
                sortable: true,
                columns: [
                    {
                        text: "Subject Name",
                        datafield: "subjectnames",
                        width: "120px",
                    },
                    {
                        text: "Page No.",
                        datafield: "pagenumber",
                        width: "120px",
                    },
                ],
            });
            ("#jqxbtn").jqxButton({
                width: 280
            });
            ("#jqxbtn").on("click", function () {
                var ibc = ('#jqxdt')
                    .jqxDataTable('isBindingCompleted');
                ('#log').text("Binding done: " + ibc);
            });
        });
    </script>
</body>
  
</html>

输出:

jQWidgets jqxDataTable isBindingCompleted()方法

示例2:下面是jQWidgets中jqxDataTable isBindingCompleted()方法的另一个例子。

<!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
            isBindingCompleted() Method
        </h3>
  
        <div id="jqxdt"></div>
  
        <input type="button" style="margin:29px;" 
               id="jqxbtn" value="Click here" />
        <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<6; 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",
            };
            ("#jqxdt").on("bindingComplete", function (event) {
            });
            var data_Adapter = new .jqx.dataAdapter(src);
            ("#jqxdt").jqxDataTable({
                source: data_Adapter,
                sortable: true,
                columns: [
                    {
                        text: "Subject Name",
                        datafield: "subjectnames",
                        width: "120px",
                    },
                    {
                        text: "Page No.",
                        datafield: "pagenumber",
                        width: "120px",
                    },
                ],
            });
            ("#jqxbtn").jqxButton({
                width: 280
            });
            ("#jqxbtn").on("click", function () {
                var ibc = ('#jqxdt')
                    .jqxDataTable('isBindingCompleted');
                if (ibc === false) {
                    ('#log').text("false!");
                }
                else {
                    $('#log').text("Binding completed!");
                }
            });
        });
    </script>
</body>
  
</html>

输出:

jQWidgets jqxDataTable isBindingCompleted()方法

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