Symptoms
The Data Access Object (DAO) documentation that comes with Microsoft Access and Visual Basic Online help shows how to open a Paradox table. However, it does not show how to open a table that is password protected.
Resolution
To open a Paradox table, the documentation states that you must specify Paradox 3.x, Paradox 4.x, or Paradox 5.x in the connect string. However, the documentation omits the PWD argument in the connect string. PWD is used to specify the Paradox password, just as it is used when opening password-protected ODBC or Jet tables.
The following code samples show the correct use of the PWD option when opening password-protected Paradox tables. In each of the samples, the table is C:\MYDATA\Table1.DB and the password is “ABC”.
NOTE: The period in the Paradox file name needs to be replaced by the # symbol. This is because Microsoft Jet uses the period to separate database and table names and to separate table and field names. For example, Table1.DB needs to be written as Table1#DB when referring to the table in Jet.
Attaching/Linking a password-protected table:
Dim db As DAO.DatabaseDim td As DAO.TableDefDim rs As DAO.RecordsetSet db = OpenDatabase(App.Path & “\NWIND.MDB”)Set td = db.CreateTableDef(“Table1″)td.Connect = “Paradox 4.x;PWD=ABC;DATABASE=C:\MYDATA;”td.SourceTableName = “Table1#DB”db.TableDefs.Append tdSet rs = db.OpenRecordset(“Table1″)
Opening directly using a Database object:In this case, the database is the directory where the tables reside. If all tables have the same password, you can open them from the same Database object. If the tables have different passwords, you will need to open a different Database object for each unique password.
Set db = DBEngine(0).OpenDatabase(“C:\MYDATA”, 0, 0, “Paradox 4.x;PWD=ABC;”)Set rs = db.OpenRecordset(“Table1#DB”)
Referencing a Paradox table directly in SQL statementsMicrosoft Jet allows use of an IN clause or the [Database].[Table] syntax to reference a table outside the current database. The [Database].[Table] syntax is preferred.
Set db = OpenDatabase(App.Path & “\NWIND.MDB”)Set rs = db.OpenRecordset(“SELECT * FROM [Paradox 3.x;DATABASE=C:\MYDATA;PWD=ABC].[Table1#DB]“)” Or’Set rs = db.OpenRecordset(“SELECT * FROM [Table1#DB] IN ” [Paradox 3.x;DATABASE=C:\MYDATA;PWD=ABC]“)” Or’Set rs = db.OpenRecordset(“SELECT * FROM [Table1#DB] IN ‘C:\MYDATA’ [Paradox 3.x;PWD=ABC]“)
You can also use action queries with the same direct SQL technique:
‘ Make a new table Access “LocalTable” from data in Paradox table.Set db = OpenDatabase(App.Path & “\NWIND.MDB”)db.Execute “SELECT * INTO LocalTable FROM [Paradox 3.x;DATABASE=C:\MYDATA;PWD=ABC].[Table1#DB]“‘ Append data into an Access table “LocalTable” from Paradox table.db.Execute “INSERT INTO LocalTable SELECT * FROM [Paradox 3.x;DATABASE=C:\MYDATA;PWD=ABC].[Table1#DB]“‘ Append data into a Paradox table from an Access table “LocalTable”. db.Execute “INSERT INTO [Paradox 3.x;DATABASE=C:\MYDATA;PWD=ABC].[Table1#DB] SELECT * FROM LocalTable”‘ Delete records from a Paradox table.db.Execute “DELETE FROM [Paradox 3.x;DATABASE=C:\MYDATA;PWD=ABC].[Table1#DB] WHERE Field1 = 55″
(c) Microsoft Corporation 1999, All Rights Reserved. Contributions by Malcolm Stewart, Microsoft Corporation.
