grid

My datagrid on a webform is populated usinig a datareader

With dgNewTrades
.DataSource = GetAllTrades
.DataBind()
End With

where GetAllTrades is a datareader.
The columns in the datagrid are boundcolumns

How can I increase the width of some of the columns?
Thanks

during a OnDatabind custom event handler:

e.item.Cells(index).Attributes.Add("width","80")