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Documentation v8.1.5

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FormValidation is one of the best validation library for JavaScript. For more info see the official siteand the Github repository.


FormValidation's Javascript bundles are globally included in all pages.
<link href="assets/plugins/global/plugins.bundle.css" rel="stylesheet" type="text/css"/>
<script src="assets/plugins/global/plugins.bundle.js"></script>


  • FormValidation is primarily initialized via Javascript by adding a unique idto the formelement.
  • Important  Add fv-rowCSS class to the input group to identify the input field that requires FormValidation.
  • Please refer to the official documentationfor all validation options available.

Integrating with ASP.Net

Since ASP.Net changes the field name when rendering the controls, you have to use <%= control.UniqueID %> as the name of fields. For more information, please refer to the official documentation.
<%@ Page
Inherits="..." %>

<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">

<!-- Fields -->
<asp:TextBox runat="server" CssClass="form-control" ID="userNameTextBox" />

<script type="text/javascript">
$(document).ready(function() {
        framework: 'bootstrap',
        icon: {
            valid: 'glyphicon glyphicon-ok',
            invalid: 'glyphicon glyphicon-remove',
            validating: 'glyphicon glyphicon-refresh'
        fields: {
            // There is no single quote
            <%=userNameTextBox.UniqueID%>: {
                validators: {
                    notEmpty: {
                        message: 'The username is required and cannot be empty'
                    stringLength: {
                        min: 6,
                        max: 30,
                        message: 'The username must be more than 6 and less than 30 characters long'
                    regexp: {
                        regexp: /^[a-zA-Z0-9]+$/,
                        message: 'The username can only consist of alphabetical and number'
                    different: {
                        field: 'password',
                        message: 'The username and password cannot be the same as each other'
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