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jQWidgets jqxValidator validationError Event

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  • Last Updated : 05 Nov, 2021

jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful, optimized, platform-independent, and widely supported framework. The jqxValidator is used for validation of the HTML form with the help of JavaScript. It has some set of build-in rules according to the requirement for the validation of the user inputs, e-mail, SSN, ZIP, max value, min value, interval, etc. Here custom rules can also be written as per the specific requirements.

The validationError event is triggered when the form is validated with some errors.

Syntax:

$('#jqxValidator').on('validationError', function (event) {
    // Code section 
});

Linked Files: Download jQWidgets from the given link. In the HTML file, locate the script files in the downloaded folder.

<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/jqx-all.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxvalidator.js”></script>

Example: The below example illustrates the jQWidgets validationError event.

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.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxcore.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqx-all.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxvalidator.js">
    </script>
</head>
  
<body>
    <center>
        <h1 style="color: green;">
            GeeksforGeeks
        </h1>
        <h3>
            jQWidgets jqxValidator validationError Event
        </h3>
        <form id="Employee_Form">
            <table>
                <tr>
                    <td>Employee_Name:</td>
                    <td>
                        <input type="text" 
                               id="Employee_Name"/>
                    </td>
                </tr>
                <tr>
                    <td>Employee_Id:</td>
                    <td>
                        <input type="text" 
                               id="Employee_Id"/>
                    </td>
                </tr>
                <tr>
                    <td>Designation:</td>
                    <td>
                        <input type="text" 
                               id="Designation"/>
                    </td>
                </tr>
                <tr>
                    <td>Base_Location:</td>
                    <td>
                        <input type="text" 
                               id="Base_Location"/>
                    </td>
                </tr>
            </table>
        </form>
        <input type="button" style="margin: 28px;" 
               id="button_for_validationError" 
               value="Validate the above form"/>
        <div id="log"></div>
        <script type="text/javascript">
            $(document).ready(function () {
                $('#Employee_Form').jqxValidator({
                    Rules: [
                        {
                            input: '#Employee_Name',
                    message: 'Employee name is mandatory!',
                            rule: 'required'
                        },
                        {
                            input: '#Employee_Id',
                    message: 'Employee_Id is mandatory!',
                            rule: 'required'
                        },
                        {
                            input: '#Designation',
                    message: 'Designation is mandatory!',
                            rule: 'required'
                        },
                        {
                            input: '#Base_Location',
                    message: 'base location is mandatory!',
                            rule: 'required'
                        }],
                });
                $("#button_for_validationError").jqxButton({
                    width: 200
                });
                $('#Employee_Form').on(
                    'validationError', function (event) {
                        $("#log").html((
                    'The form has been filled incorrectly.'));
                    });
                $("#button_for_validationError").click(
                    function () {
                        $('#Employee_Form').jqxValidator(
                            'validate');
                    });
            });
        </script>
    </center>
</body>
  
</html>


Output:

Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxvalidator/jquery-validator-api.htm


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