Protected Sub DataGrid1_ItemDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DataGridItemEventArgs) Handles DataGrid1.ItemDataBound
        If e.Item.ItemType = ListItemType.AlternatingItem Or e.Item.ItemType = ListItemType.Item Then
            DirectCast(e.Item.FindControl("MioBottone"), Button).Attributes.Add("onclick", "javascript: if confirm('Eliminare?') {return true;} else {return false;}")
        End If

    End Sub