Populate Label/Textbox from BLL

Hey, does anyone know how you set the Text property of a label/textbox to a value returned via a BLL?
Example:
User enters ProductID into textbox, presses enter. Code behind sends ProductID to BLL. BLL queries DAL, returns 1 row. DAL passes row to BLL, BLL passes row to PL code behind. [How do I take the ProductName value for example and set the text property of a label with it?] BLL:
Imports DSNorthwindTableAdapters Public Class ProductsBLL Private _productsAdapter As ProductsTableAdapter = Nothing Protected ReadOnly Property Adapter() As ProductsTableAdapter Get If _productsAdapter Is Nothing Then _productsAdapter = New ProductsTableAdapter() End If Return _productsAdapter End Get End Property Public Function GetProductByProductID(ByVal ProductID As Integer) ...