ASP.NET

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        Try
            If Not Page.IsPostBack Then
                EnlazarDataGrid()
                gridView.Columns(0).SortExpression = True

            End If

        Catch ex As Exception

        End Try
End Sub
    Private Property GridViewSortDirection() As String

        Get

            Return IIf(ViewState("SortDirection") = Nothing, "ASC", ViewState("SortDirection"))

        End Get

        Set(ByVal value As String)

            ViewState("SortDirection") = value

        End Set

    End Property
    Private Property GridViewSortExpression() As String


        Get

            Return IIf(ViewState("SortExpression") = Nothing, String.Empty, ViewState("SortExpression"))

        End Get

        Set(ByVal value As String)

            ViewState("SortExpression") = value

        End Set

    End Property
    Private Function GetSortDirection() As String



        Select Case GridViewSortDirection

            Case "ASC"

                GridViewSortDirection = "DESC"



            Case "DESC"

                GridViewSortDirection = "ASC"

        End Select



        Return GridViewSortDirection

    End Function
    Protected Function SortDataTable(ByVal pdataTable As DataTable, ByVal isPageIndexChanging As Boolean) As DataView


        If Not pdataTable Is Nothing Then

            Dim pdataView As New DataView(pdataTable)


            If GridViewSortExpression <> String.Empty Then

                If isPageIndexChanging Then

                    pdataView.Sort = String.Format("{0} {1}", GridViewSortExpression, GridViewSortDirection)

                Else

                    pdataView.Sort = String.Format("{0} {1}", GridViewSortExpression, GetSortDirection())

                End If

            End If

            Return pdataView

        Else

            Return New DataView()

        End If

    End Function
    Protected Sub gridView_Sorting(ByVal sender As Object, ByVal e As GridViewSortEventArgs)
        Try
            gridView.Columns(0).Visible = True
            Dim Comunidad As Integer
            ViewState("Comunidad") = Util.Usuario.IdComunidad
            If Util.Usuario.AdminUser = 1 Then

                Comunidad = ViewState("Comunidad")
            Else
                Comunidad = Util.Usuario.IdComunidad
            End If
            Dim Propietario1 As DataTable = Propietarios.ObtenerPropietarios(Comunidad)
            gridView.DataSource = Propietario1



            GridViewSortExpression = e.SortExpression

            Dim pageIndex As Integer = gridView.PageIndex

            gridView.DataSource = SortDataTable(CType(gridView.DataSource, DataTable), False)

            gridView.DataBind()

            gridView.PageIndex = pageIndex
            gridView.Columns(0).Visible = False
        Catch ex As Exception

        End Try
    End Sub
    Protected Sub gridView_PageIndexChanging(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewPageEventArgs) Handles gridView.PageIndexChanging

        Try
            gridView.Columns(0).Visible = True
            gridView.PageIndex = e.NewPageIndex
            EnlazarDataGrid()
            gridView.Columns(0).Visible = False
        Catch ex As Exception

        End Try


    End Sub

public class MyControl : CompositeControl
{
	private Panel panel;
  
	protected override void CreateChildControls()
	{
		// Clear controls.
		Controls.Clear();
		
		// Create controls.
		panel = new Panel();
		panel.ID = "Panel1";
		panel.SkinID = "Panel1"
		
		// Add controls.
		Controls.Add(panel);
	}
	
	protected override void Render(HtmlTextWriter writer)
	{
		panel.RenderControl(writer);
	}
}

<asp:Panel SkinID="Panel1" runat="server" BackImageUrl="top-panel.gif"></asp:Panel>