assign value to a cell referencing by column name in itemdatabound

[gane]

Hi,

I would like to assign a value to a datagrid item using the column name
instead of using something like e.item.cell[1].text in itemdatabound

eg:
DataRowView rv = (DataRowView)e.Item.DataItem;
string strLocation = Convert.ToString(rv.Row["locationptr"].ToString())

I used dataitem to fetch, but i donno how to assign some value.

Thanks
Gane