Public Shared Function objFindControl(Of T As Control)(ByVal id As String, ByVal controls As ControlCollection) As T
        For Each c As Control In controls
            If TypeOf c Is T AndAlso c.ID = id Then
                Return DirectCast(c, T)
            End If
            If c.Controls.Count > 0 Then
                Dim ret As T = objFindControl(Of T)(id, c.Controls)

                If Not ret Is Nothing Then
                    Return ret
                End If
            End If
        Next

        Return Nothing
    End Function