DATAGRID cell problem

[deedlyt]

Ciao a tutti,

Ho un problema, quando entro nell'evento _RowEditing del mio DataGrid ed imposto la prop. della cella a Visible = false, non mi fa nulla.

Protected Sub lista_targhe_RowEditing(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewEditEventArgs) Handles lista_targhe.RowEditing
        Dim row As GridViewRow = lista_targhe.Rows(e.NewEditIndex)

row.Cells(2).Visible = false

    End Sub

why??