Ive never done anything like that but you could use the ItemCreated Event 
and check whether its a header, item, alternatingitem etc...
with

if (e.getType() == ListItemType.Header) {

}

> Hi All,
> 
> In a datagrid, how would I change the  backcolor of a  particular columns
> header when I 
> have multiple sort columns, so to identify it as the last sort column 
> clicked?
> 
> eric  
>