How to change the styles in the CSS class dynamically from code behind in ASP.NET application

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I wanna apply the below class background color dynamically from code behind.. Is that possible? Thanks in advance.

What I have tried:

CSS

body 
{
	width:100%;
	height:100%;
	/* background:none repeat scroll 0 0 #d3d3d3; */
	background: -webkit-linear-gradient(#b53e36, #cccccc); /* For Safari 5.1 to 6.0 */
  background: -o-linear-gradient(#b53e36, #cccccc); /* For Opera 11.1 to 12.0 */
  background: -moz-linear-gradient(#b53e36, #cccccc); /* For Firefox 3.6 to 15 */
  background: linear-gradient(#b53e36, #cccccc) no-repeat; /* Standard syntax */
	font-size:100%;
	margin:0;
  font-family:"Arial",sans-serif;
  color:#444;
  }

Posted 30-Dec-16 2:43am

JanardhanSharma

Updated 30-Dec-16 3:16am

v2

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Peter Leow · Accepted Answer · 2016-12-30T03:15:00

Solution 1

Try this:
First, add an id and runat="server" to the body tag in aspx so that it can be referenced at code-behind:

<body id="mybody" runat="server">

Next, to add a css property to this body tag on codebehind, e.g.

mybody.Attributes.CssStyle.Add("background", "linear-gradient(#b53e36, #cccccc)");

Posted 30-Dec-16 3:15am

Peter Leow

Updated 30-Dec-16 3:17am

v2

Comments

JanardhanSharma 31-Dec-16 0:52am

It's working fyn. Thanks a lot.

Peter Leow 31-Dec-16 3:18am

You are welcome.