Question

Backup current access file using vba while the file is open

Asked by: william007

I have a button in the form of the current access file. What I want to do is when the user click on the button,
triggered the vba to backup current access file. But since the file is currently open, is this possible? If yes, may I know how to do it with vba?

I have tried two methods but failed:
1) Use copytofile method, but I get permission denied due to file open;
2) Use dbengine.compactdatabase method, but it also has problem if the file is open.

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Asked On
2007-07-11 at 04:37:13ID22688425
Tags

access

,

vba

,

backup

,

current

,

file

Topics

Access Coding/Macros

,

Microsoft Access Database

,

Access Forms

Participating Experts
4
Points
0
Comments
11

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Answers

 

by: scampgbPosted on 2007-07-11 at 05:01:13ID: 19461671

You won't be able to make a copy of the file, or compact it, while it's currently open.

However, you could get Access to call a shell script, close the database, compact/copy the database and then re-open the file.

Take a look at http://www.mvps.org/access/modules/mdl0020.htm as an example.

 

by: capricorn1Posted on 2007-07-11 at 05:07:36ID: 19461714

william007,
why do you want to backup while the db is open? any particular reason?

 

by: william007Posted on 2007-07-11 at 05:19:11ID: 19461807

Hi FileSystemObject has done the job:)

The reason is, after backing up the database, the nextstep is to delete the user table from current database and replace with new set of table from the other mdb file. But before replacing the table, I will checked whether there is any opened table.

Although I have basically solve the problem, but i will still rewarded the point if there is other useful comment, thanks:)

 

by: adraughnPosted on 2007-07-11 at 06:46:30ID: 19462531

<delete the user table from current database>
??? i almost fell out of my chair.. :)
<and replace with new set of table >
why would you do that?

 

by: william007Posted on 2007-07-19 at 11:26:07ID: 19524687

Hi, since there are no better answer, I will request to PAQ this question as self answer, thanks:)

>>why would you do that?
This is the requirement....but so far so good:)


 

by: adraughnPosted on 2007-07-19 at 13:33:33ID: 19525846

you should give the points to scamp. just because we tell you that something can't be done doesn't mean that it is a wrong answer, even if it wasn't the answer you were looking for.

adria

 

by: william007Posted on 2007-07-19 at 21:49:25ID: 19528795

Hi adraughn,

>>something can't be done doesn't mean that it is a wrong answer
It can be done, ie we can copy a file when it is opened. using FileSystemObject's copy method instead of copytofile(vb build-in) method will do the job.

 

by: scampgbPosted on 2007-07-23 at 02:05:11ID: 19545821

Vee_Mod: I'm happy for this to be PAQ'd with refund if william007 has found a solution.

I'm still not sure how safe it is to copy a currently-open database file though.

 

by: Vee_ModPosted on 2007-07-23 at 06:30:24ID: 19547155

Closed, 500 points refunded.
Vee_Mod
Community Support Moderator

 

by: william007Posted on 2007-07-23 at 06:49:14ID: 19547325

Thanks Vee_Mod:)

Hi scampgb,
>>I'm still not sure how safe it is to copy a currently-open database file though.
What I do is before doing the copy, I will make sure two prequisites was fulfilled(using vba code):

1)Only 1 person is using the db;
2)All the objects (ie, forms, table, etc) has been closed, and only 1 form opened, which is the form that run the file copy code. (The form doesn't make use of any table).

This is to ensure all the changes that user made have been committed to the database before making the file copying. (The file copy code will run regardless of this two prerequisites, they are put in place just to ensure things that done by user have already been saved before copying) :)

20120131-EE-VQP-002

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