fixed columns in repeater

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C#

ASP.NET

VS2012

repeater

After a lot of work i managed to fix(Freeze) my headers in repeater.

Now I Have to get the first 2-3 columns fixed.I have taken help of Google but it isnt really helping.

Can someone please help me.
Something like this but for repeaters:
http://www.massless.org/_tests/grid1/?s=1&r=40&c=40[^]

Thanks.

p.s.This is what I have used for fixing headers

function fixHeader()
{
var t = document.getElementById("table");
var thead = t.getElementsByTagName("thead")[0];
var t1 = t.cloneNode(false);
t1.appendChild(thead);
tableHeader.appendChild(t1)
}