Category >
ASP.NET
|| Published on :
Wednesday, January 27, 2016 || Views:
8097
||
Allow only alphabets in a textbox using java script
Introduction
Here Pawan Kumar will explain how to Allow only alphabets in a textbox using java script
Description
In previous post I have explained
How to turn off submit button when it pressed in ASP.Net,
Code Snippets - Sending SMS through ASP.NET,
Cascading dropdown in ASP.NET using JQuery Http Handler,
How to add current copyright year in ASP.NET,
How to avoid a form from double submission using asp.net,
Set max length of MultiLine TextBox in ASP.Net, and many more articles.
Now I will explain How to Allow only alphabets in a textbox using javascript in asp.net
So follow the steps to learn Allow only alphabets in a textbox using javascript in asp.net
<html>
<head>
<title>allwon only alphabets in textbox using JavaScript</title>
<script language="Javascript" type="text/javascript">
function onlyAlphabets(e, t) {
try {
if (window.event) {
var charCode = window.event.keyCode;
}
else if (e) {
var charCode = e.which;
}
else { return true; }
if ((charCode > 64 && charCode < 91) || (charCode > 96 && charCode < 123))
return true;
else
return false;
}
catch (err) {
alert(err.Description);
}
}
</script>
</head>
<body>
<table align="center">
<tr>
<td>
<input type="text" onkeypress="return onlyAlphabets(event,this);" />
</td>
</tr>
</table>
</body>
</html>
Conclusion:
So, In this tutorial we have learned, Allow only alphabets in a textbox using javascript in asp.net