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Compiling ACCESS in a VB application

Posted on 1998-12-10
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Last Modified: 2010-05-03
Is there any possiblity to insert an access DB to a VB application, and generate an exe file, that will run on computers that have no MS-ACCESS installed? What is the best way to use the DB in the VB application?
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Question by:schler
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jjbyers earned 100 total points
ID: 1449232
You can't compile the MDB file as part of the application.

But you can include the MDB file in your setup program. Using the setup wizard just add it to the list of files needed.


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by:mark2150
ID: 1449233
You can even have your VB program create a .MDB on the fly. Access is *NOT* required on the target system. Here's some code:

Text1(2).Text is a control that has the drive:\path\ of the MDB file, REFMDB has the file name with the .MDB extension

db is PUBLIC ... AS DATABASE

'
' Crank up data engine to create database
'
Set db = DBEngine.Workspaces(0).CreateDatabase(Text1(2).Text & "\" & refmdb, dbLangGeneral)
Set tbl = db.CreateTableDef("Results")  'Configuration
'
' Filename - C20
' DiskVol  - C11
' Pagenum  - N3
' DateTime - Date/Time
' Client   - N6
' Debtor   - N6
'
Set fld = tbl.CreateField("Filename", dbText, 20)
fld.AllowZeroLength = True
tbl.Fields.Append fld
'
Set fld = tbl.CreateField("DiskVol", dbText, 11)
fld.AllowZeroLength = True
tbl.Fields.Append fld
'
Set fld = tbl.CreateField("Pagenum", dbInteger)
tbl.Fields.Append fld
'
Set fld = tbl.CreateField("DateTime", dbDate)
tbl.Fields.Append fld
'
Set fld = tbl.CreateField("Client", dbLong)
tbl.Fields.Append fld
'
Set fld = tbl.CreateField("Debtor", dbLong)
tbl.Fields.Append fld
'
Set ndx = tbl.CreateIndex("Key")
ndx.Fields.Append ndx.CreateField("Client")
ndx.Fields.Append ndx.CreateField("Debtor")
ndx.Unique = False
tbl.Indexes.Append ndx
'
Set ndx = tbl.CreateIndex("Location")
ndx.Fields.Append ndx.CreateField("FileName")
ndx.Fields.Append ndx.CreateField("PageNum")
ndx.Unique = False
tbl.Indexes.Append ndx
'
' Commit definition to master dataset
'
db.TableDefs.Append tbl
db.Close

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Expert Comment

by:mark2150
ID: 1449234
P.S.

You *MUST* put a data control onto your form to let the compiler know to include the JET ISAM. I make the controls .Visible property = FALSE so it doesn't show. The control is *NOT* referenced anywhere in my code, but if you forget the empty control *NONE* of the code will work - very frustrating when I first had to figure *that* out.

M

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Expert Comment

by:jjmartin
ID: 1449235
They've got it right.  You don't include ACCESS with the VB application.  The database is independant of ACCESS.  An ACCESS Database is ODBC compliant, and is accessed by VB through the Jet DB.  If you want to work with databases with out putting a data control on your form, in the Project References, select the Microsoft DAO 3.5 object library.
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