Prevent User From Editing Text in a TextBox using jQuery

I was recently solving a requirement where a TextBox having text needed to be made read-only, as soon as focus was set on it. This is a typical scenario where a user reloads a form that is to be presented as read-only. This is how I solved the requirement using jQuery:

<html xmlns="http://www.w3.org/1999/xhtml">
<
head>
<
title></title>

<
script src="Scripts/jquery-1.3.2.js" type="text/javascript"></script>
<
script type="text/javascript">
$(document).ready(function() {
$("input[type=text]").focus(function() {
if ($(this).val())
$(this).blur().css('background-color', 'gray');
});
});

</script>
</
head>
<
body>
<
form id="form1">
<
div>
<
input id="Text1" type="text" value="Some Text" />
<
input id="Text2" type="text" value="Some Text" />
<
br />
<
input id="Button1" type="button" value="Some Button" />
</
div>
</
form>

</
body>
</
html>

So as soon as you set focus on the textbox, the textbox turns grey indicating that it is read-only and the user is prevented to modify the text.

image



Will you give this article a +1 ? Thanks in advance


About The Author

Suprotim Agarwal
Suprotim Agarwal, ASP.NET Architecture MVP (Microsoft Most Valuable Professional) works as an Architect Consultant and provides consultancy on how to design and develop Web applications.

Suprotim is also the founder and primary contributor to DevCurry, DotNetCurry and SQLServerCurry. He is the Editor of a Developer Magazine called DNC Magazine. He has also written two EBooks 51 Recipes using jQuery with ASP.NET Controls. and The Absolutely Awesome jQuery CookBook

Follow him on twitter @suprotimagarwal

No comments: