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What type binding VBA to use if unknown library references

I have a new client and am creating a simple ACCESS 2010 database.  But I do not know what reference libraries have been checked on the different machines.  What would be the best way to approach this unknown?  Say I need to creat an Excel workbook in an ACCESS module, what would be the best approach if I am unsure whether they have the Excel library checked?
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ssmith94015
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ssmith94015
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1 Solution
 
Gregory MillerGeneral ManagerCommented:
Here is an article that gives a very good explanation specific to MS Access.
http://stackoverflow.com/questions/5612640/setting-object-library-references-dynamically-possible
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ssmith94015Author Commented:
All my web searching and I never came across this article, which was exactly what I needed.  thank you.
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Gregory MillerGeneral ManagerCommented:
Opps... wrong comment for wrong question... lol

Thanks...!
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DatabaseMX (Joe Anderson - Microsoft MVP, Access and Data Platform)Commented:
Just a note  re "if I am unsure whether they have the Excel library checked?"

Well, it doesn't exactly work like that. If *your* app has the Excel Library check in References, then ... in *most* cases, that Reference will automatically be set on a user's system where you install your db.

So, Early Binding vs Late Binding isn't really about a Reference being 'checked' per se. The case for using Late Binding (with a possible - performance hit) is when you are installing your db on systems which may have different (usually later) versions of Access/Office/Windows - which can (and does) often lead to ... confusion in References getting 'set' correctly.

So for example, at my work ... all users have the exact same version of Windows/Office, so Early Binding is not really an issue.  On the flip side, if I was shipping an app out in the wild - and I wasn't absolutely sure what the environment was going to be - then I would probably be using Late Binding.

mx
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DatabaseMX (Joe Anderson - Microsoft MVP, Access and Data Platform)Commented:
Also, here are a couple more articles you may find useful on the subject:

Using early binding and late binding in Automation
http://support.microsoft.com/kb/245115

Late Binding in Microsoft Access
http://www.granite.ab.ca/access/latebinding.htm
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ssmith94015Author Commented:
Techno dweeb LOL!!!! No matter, it answers my question!

DatabaseMX, the environment is unknown to me so late binding will do the job.  I have asked them repeatedly for me to test, but so far they have not had the "time" to let me!  Good thing they like what I have created so far in the demos!

Thank you both.
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