void Page_Load ( Object src, EventArgs e ) {
   if ( !IsPostBack ) {
      ICollection grids = 
         TypeDescriptor.GetConverter ( typeof ( GridLines ) ).GetStandardValues ( );

      foreach ( GridLines g in grids ) {
         GridSelect.Items.Add ( g.ToString ( ) );
      }
      GridSelect.SelectedIndex = 2;

      string query = "SELECT ... FROM Employees";
      myGrid.DataSource = fetchData ( query, "northwind" );
      myGrid.DataBind ( );
   }
   myGrid.GridLines = ( GridLines ) GridSelect.SelectedIndex;
}

Sub Page_Load ( src As Object, e As EventArgs )
   If Not IsPostBack Then
      Dim grids As ICollection = _
         TypeDescriptor.GetConverter ( GetType ( GridLines ) ).GetStandardValues ( )
      Dim g As GridLines
      For Each g In  grids
         GridSelect.Items.Add ( g.ToString ( ) )
      Next g
      GridSelect.SelectedIndex = 2

      Dim query As String = "SELECT ... FROM Employees"
      myGrid.DataSource = fetchData ( query, "northwind" )
      myGrid.DataBind ( )
   End If
   myGrid.GridLines = CType ( GridSelect.SelectedIndex, GridLines )
End Sub