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Validate a TextBox not accept special Character Using JQuery

Posted By:Sanjeeb Lenka       Posted Date: September 12, 2013    Points: 40    Category: JQuery    URL: http://www.dotnetspark.com  

Validate a TextBox not accept special Character Using JQuery
 


First add jquery reference.
Here is the code just run it and check:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
   <script src="jquery-1.9.1.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(document).ready(function () {
            $("#text1").bind('keypress', function (event) {
                var regex = new RegExp("^[a-zA-Z0-9]+$");
                var key = String.fromCharCode(!event.charCode ? event.which : event.charCode);
                if (!regex.test(key)) {
                    event.preventDefault();
                    return false;
                }
            });
        });
    </script>
        
</head>
<body>
    <form id="form1" runat="server">
    <div>
        Alphanumeric value:
        <asp:TextBox runat="server" ID="text1" ></asp:TextBox>
            </div>
    </form>
</body>
</html>



     

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