This method returns the primary key of an address, given an address code.
*/ Instantiate end set the database location.
oBiz = createobject("bizinfo.application")
oBiz.cDatabasePath = "C:\WinBIZ Data"
oBiz.nCompany = 1000
oBiz.nYear = 2017
*/ Show the identifier of the address for which the code is ABC123.