VS 2013 Updating a Datagridview function while running UI with serial comm

Public Sub UpdateGrid(ByVal bytes_Input As Byte())
        If Me.InvokeRequired Then
            Me.Invoke(New MethodInvoker(AddressOf UpdateGrid()))
        Else
            Dim strTemp As New StringBuilder(bytes_Input.Length * 2)
 
            DataTableBuffer = New DataTable()
            DataTableBuffer.Columns.Add("%")
 
            For Each b As Byte In bytes_Input
                strTemp.Append(Conversion.Hex(b))
                dr = DataTableBuffer.NewRow()
                dr("%") = Conversion.Hex(b)
                DataTableBuffer.Rows.Add(dr)
            Next
 
            DataGridView1.DataSource = DataTableBuffer
        End If
    End Sub