How to find controls in a repeater header or footer

Question

I was wondering how one would find the controls in the HeaderTemplate or FooterTemplate of an Asp.Net Repeater control.

I can access them on the ItemDataBound event,

Answer 1

private T GetHeaderControl(Repeater rp, string id) where T : Control
{
    T returnValue = null;
    if (rp != null && !String.IsNullOrWhiteSpace(id))
    {
        returnValue = rp.Controls.Cast().Where(i => i.ItemType == ListItemType.Header).Select(h => h.FindControl(id) as T).Where(c => c != null).FirstOrDefault();
    }
    return returnValue;
}

Finds and casts the control. (Based on Piyey's VB answer)