Overriding Default CSS in ASP.NET AJAX Control Toolkit's TabContainer Control

Question

I am using the ASP.NET AJAX TabContainer control in a web application. I've placed images in the headers for each tab rather than using text - but the images are truncated b/c the default CSS for TabContainer states that the header is only 13px high:

.ajax__tab_xp .ajax__tab_header .ajax__tab_tab 
 {
    height:13px;
    padding:4px;
    margin:0px;
    background:url("tab.gif") repeat-x;
  }

I have a CSS file I'm using and have added the following line to override that contained in the default CSS for TabContainer:

.ajax__tab_xp .ajax__tab_header .ajax__tab_tab 
 {
    height:83px;
    padding:4px;
    margin:0px;
    background:url("tab.gif") repeat-x;
  }

But it is still using the default 13px, why?

You can see the default css file here: Default CSS File

Solution 1

After a lot of messing around, I got it working, though I'm not entirely sure what I did...

I think, I had to:

1. Manually add CssClass to ajaxToolkit:TabContainer, as even when setting it via the properties it didn't seem to generate.

2. I tried overriding the class ajax__tab_xp, but that didn't work, so I created a new class called ajax__custom and that worked. So my CSS in the end looked like:

   .ajax__custom .ajax__tab_header .ajax__tab_tab
   {
       height: 100px;
   }
   

Hope this helps someone else.

Solution 2

Try using !important like this:

.ajax__tab_xp .ajax__tab_header .ajax__tab_tab 
{
    height:83px !important;
}

by the way, If you don't change other properties of the default class, you don't have to retype them...

Comments

[Dave Mackey]

Thanks, although...unfortunately, that hasn't made a difference.

[Tom Stickel]

I'm modifying the class , and I just need __xp and 25 px is just fine