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Old May 15th, 2005, 08:53 AM
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Default How to delete all the records in a table


I want to create a button in a form, so that when I click the button it will autumatically delete all the records in three tables: CASH, POSITION and COMPOSITE.

I am a very beginner of VBA and I was following a book to write this:

Private Sub Command32_Click()
Dim sql As Collection

End Sub

It should be a very simple thing but....

Please help me!


Kai Lai

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Old May 15th, 2005, 09:17 AM
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You are sort of on the right track. But when you're working with objects (in your example "sql" is an object of type "Collection") you must create an instance of the object. In your example, this can be done by:

Dim sql as New Collection


Dim sql as Collection
Set sql = New Collection

But when it comes to Access VBA I think you're headed down the wrong path. You don't need to create objects to accomplish this task. And I think you have a long way to go before you understand how objects work. I don't know what book you're looking at. But it doesn't look like it has much to do with Access.

What you want to do accomplish can be done in Access like this...
Note that you must break the SQL statement up to make valid SQL statements.
If you don't want your users to be warned that records will be deleted, you can put
DoCmd.SetWarnings False
before the first RunSQL, and
DoCmd.SetWarnings True
after the last RunSQL.

There are other ways to accomplish this as well. For instance, you could create 3 queries that will delete from each table. Then use a syntax similar to:
DoCmd.OpenQuery "qryDeleteAllCashRecords"
to run each query.

You might want to play around with the Northwind sample database to see some code.

Randall J Weers
Membership Vice President
Pacific NorthWest Access Developers Group
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Old March 15th, 2016, 07:20 AM
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I see that this is an old post but I have just registered to say thank you to rjweers.

Great forums site BTW!
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