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Access / Excel transfer of Data

Posted on 2011-10-29
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I have an Access Database that is  getting data from excel.  The excel app uses a addin called LIM to collect hourly data and access is the storage medium. while excel will be the reporting tool.  I successfully have the data being imported into excel.  I have both the access db and excel workbook open at the same time,  from MS access VBA is there a way to have the excel refresh (I need to access the LIM menu in Excel and select refreshall) before access grabs the data and then after all my data is imported I need for excel to do a recalculate (and again this must be done from access VBA)

Thank you in advance
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Question by:INSCNOC
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Scott McDaniel (Microsoft Access MVP - EE MVE ) earned 2000 total points
ID: 37050199
Are you automating Excel from within Access, or do you simply open Excel and then open Access?

If you're not automating Excel, then you can try to grab that instance of Excel and automate it through code like this:

Dim obj As Object
Set obj = GetObject(, "Excel.Application")

You can then use the "obj" variable to manipulate that instance of Excel. The trouble is if you have multiple instances of Excel open - GetObject will grab the first one, which may or may not be the one you want. I suppose you could examine some property of that obj variable to see if you have the right one. For example, if the name of the worksheet is "LIM Data", perhaps you could do something like this:

If obj.ActiveSheet.Name = "LIM Data" Then
  '/ you have the right sheet
End If

I believe you could use the Calculate method to force the worksheet to refresh it's data:

obj.ActiveWorksheet.Calculate

However, I'm not sure if that will refresh your linked data - you'd have to try it and see.

And to be clear: The link between Access and Excel will always show the most recent data, so you don't need to refresh that link.

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by:INSCNOC
ID: 37050420
All my code is in Access, I need the excel sheet open only to have the LIM app refresh to update the data that gets downloaded from the web into excel, and then everything is done in Access and finally I export some data files which my excel sheet has data connectionc to, but they do not update unless you doa recalculation inexcel at the end....
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