ItemsBindingSource1.DataSource=dsLookups.Tables("TU1sellLookup")
ItemsBindingSource2.DataSource=dsLookups.Tables("TU1sellLookup")

-purchase_tu_idCBO.DataSource = ItemsBindingSource1
-purchase_tu_idCBO.DisplayMember = "IDdescr"
-purchase_tu_idCBO.ValueMember = "ID"
-purchase_tu_idCBO.DataBindings.Add(New Binding("SelectedValue", ItemsBindingSource1, "purchase_tu_id", True))

-sell_tu_idCBO.DataSource = ItemsBindingSource2
-sell_tu_idCBO.DisplayMember = "IDdescr"
-sell_tu_idCBO.ValueMember = "ID"
-sell_tu_idCBO.DataBindings.Add(New Binding("SelectedValue", ItemsBindingSource2, "sell_tu_id", True))