How to disable a textbox in CSS? Currently we are having a textbox in our view which can be enabled/disabled depending on a property in the model. We are having asp.net MVC view; depending on the value of the Model property we need to either render a textbox or readonly textbox. we were thinking of doing this by applying CSS to the view control. Has someone done this earlier?
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问题:
回答1:
CSS cannot disable the textbox, you can however turn off display or visibility.
display: none;
visibility: hidden;
Or you can also set the HTMLattribute:
disabled="disabled"
回答2:
you can disable via css:
pointer-events: none;
Doesn't work everywhere though.
回答3:
You can't disable anything with CSS, that's a functional-issue. CSS is meant for design-issues. You could give the impression of a textbox being disabled, by setting washed-out colors on it.
To actually disable the element, you should use the disabled boolean attribute:
<input type="text" name="lname" disabled />
Demo: http://jsfiddle.net/p6rja/
Or, if you like, you can set this via JavaScript:
document.forms['formName']['inputName'].disabled = true;
Demo: http://jsfiddle.net/655Su/
Keep in mind that disabled inputs won't pass their values through when you post data back to the server. If you want to hold the data, but disallow to directly edit it, you may be interested in setting it to readonly instead.
// Similar to <input value="Read-only" readonly>
document.forms['formName']['inputName'].readOnly = true;
Demo: http://jsfiddle.net/655Su/1/
This doesn't change the UI of the element, so you would need to do that yourself:
input[readonly] {
background: #CCC;
color: #333;
border: 1px solid #666
}
You could also target any disabled element:
input[disabled] { /* styles */ }
回答4:
You can't disable a textbox in CSS. Disabling it is not a presentational task, you will have to do this in the HTML markup using the disabled attribute.
You may be able to put something together by putting the textbox underneath an absolutely positioned transparent element with z-index... But that's just silly, plus you would need a second HTML element anyway.
You can, however, style disabled text boxes (if that's what you mean) in CSS using
input[disabled] { ... }
from IE7 upwards and in all other major browsers.
回答5:
Going further on Pekka's answer, I had a style "style1" on some of my textboxes. You can create a "style1[disabled]" so you style only the disabled textboxes using "style1" style:
.style1[disabled] { ... }
Worked ok on IE8.
回答6:
**just copy paste this code and run you can see the textbox disabled **
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>
<style>.container{float:left;width:200px;height:25px;position:relative;}
.container input{float:left;width:200px;height:25px;}
.overlay{display:block;width:208px;position:absolute;top:0px;left:0px;height:32px;}
</style>
</head>
<body>
<div class="container">
<input type="text" value="rvi.tom@gmail.com" />
<div class="overlay">
</div>
</div>
</body>
</html>
回答7:
Just try this.
<asp:TextBox ID="tb" onkeypress="javascript:return false;" width="50px" runat="server"></asp:TextBox>
This won't allow any characters to be entered inside the TextBox.
回答8:
Short answer
No, you can't disable a textbox using CSS.
Long answer
pointer-events: none works but on IE the CSS property only works with IE 11 or higher, so it doesn't work everywhere on every browser. Except for that you cannot disable a textbox using CSS.
However you could disable a textbox in HTML like this:
<input value="...." readonly />
But if the textbox is in a form and you want the value of the textbox to be not submitted, instead do this:
<input value="...." disabled />
So the difference between these two options for disabling a textbox is that disabled cannot allow you to submit the value of the input textbox but readonly does allow.
For more information on the difference between these two, see "What is the difference between disabled="disabled" and readonly="readonly".
回答9:
another way is by making it readonly
<input type="text" id="txtDis" readonly />
