Hello,
I created template column and added custom control which has RadAsyncUpload and html button on it. Now when I scroll grid in horizontal direction, I see that control stays at absolute position and won't scroll. Any ideas on why this happens?
We cannot tell you the exact reason why this happens without having a live url to inspect or the code to build an identical scenario. In the meantime, you could try using a tool like Firebug to track where the absolute positioning comes from and make the needed changes.