Problem updatind data field with TWebDBLookupComboBox

[wlandgraf (Wagner Landgraf)]

It should work the same way as lookup fields in regular datasets:

how to use TDBLookupComboBox with xDataClient for a foreign key

Actually I see now that the idea is a little bit different. You should add mapping only for departments: ADS_Departements.Close; FreeAndnil(Departements_List); Departements_List := DM_DataAccess.ClientXData.List<Tecl_departement>; for departement in Departements_List do if not Map.IsIdMapped(departement) then Map.Add(departement); ADS_Departements.SetSourceList(Departements_List); ADS_Departements.Open; Then after this, for customers, what you should do is replace the…

how to use TDBLookupComboBox with xDataClient for a foreign key

Hi Wagner Thanks for all details I tried to follow your advice about Keyfield for DBLookupComBox I change property to KeyField = Self But unfortunately an error "field Self not found" is fired like it doesn't attach this object reference to something existing. I guess it was something to create. To help others TMS users, I had to defined here for ADS_Departement a field named "Self" as Integer. It will refer to ID of object in list from ADS_Departement Then DBLookupComBox with : DataS…