How to hide OLAP Grid summary columns and rows?

protected void Page_Load(object sender, EventArgs e)
        {
            this.OlapGrid1.RowBound += new EventHandler<RowBoundEventArgs>(OlapGrid1_RowBound);
            this.OlapGrid1.QueryColumnInfo += new EventHandler<ColumnInfoEventArgs>(OlapGrid1_QueryColumnInfo);
        }
void OlapGrid1_QueryColumnInfo(object sender, ColumnInfoEventArgs e)
{
     if (e.IsSummaryColumn)
     {
         var member = e.GetMember();
         if (member.LevelDepth.ToString() == "0")
         {
            e.Hide();
         }
     }
}
protected void OlapGrid1_RowBound(object sender, RowBoundEventArgs e)
{
     if (e.IsSummaryRow)
     {
         var member = e.GetMember();
         if (member.LevelDepth.ToString() == "0")
         {
            e.Hide();
         }
     }
}

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
                                                AddHandler OlapGrid1.RowBound, AddressOf OlapGrid1_RowBound
                                                AddHandler OlapGrid1.QueryColumnInfo, AddressOf OlapGrid1_QueryColumnInfo
End Sub
Private Sub OlapGrid1_QueryColumnInfo(ByVal sender As Object, ByVal e As ColumnInfoEventArgs)
                 If e.IsSummaryColumn Then
                                 Dim member = e.GetMember()
                                 If member.LevelDepth.ToString() = "0" Then
                                                e.Hide()
                                 End If
                 End If
End Sub
Protected Sub OlapGrid1_RowBound(ByVal sender As Object, ByVal e As RowBoundEventArgs)
                 If e.IsSummaryRow Then
                                 Dim member = e.GetMember()
                                 If member.LevelDepth.ToString() = "0" Then
                                                e.Hide()
                                 End If
                 End If
End Sub