[AccessD] Filtering Form by Subform Value

The subform has two proerties called
Link Child Fields = Customer (field name on subform)
Link Mater Fields = CustomerID (Field Name on Main Form)

If I filter the subForm for the date, then
All of the main form records are still there
But the subform only shows records with the date

So could I filter the subform for the date, then filter the main form
for data where the Mainform.subform.form.Customer is not null?

Stephen Zayko

Subforms are joined to parent forms, not the other way around.  If the
subform has a link to the parent form, it is filtered by the value in
the parent form without any filter statements.  If it does not have a
link, it isn't filtered.  Can you explain how you've linked the form and
subform, if at all?

Charlotte Foust

-----Original Message-----
From: Stephen R. Zayko [mailto:szayko at secor.com] 
Sent: Monday, August 18, 2003 6:10 PM
To: 'Access Developers discussion and problem solving'
Subject: [AccessD] Filtering Form by Subform Value


Dear Group:

I was wondering if someone could tell me the syntax for filtering a form
based upon a value in a subform?

I know that the generic syntax for a filter is:
Me.Filter = "(([recordsource].[field] = 'something' )) "

I know that if you want to filter for something in a drop down box it
is:
Me.filter = ((Lookup_[Name_of_DropDown].[field]="text of dropdown"))

(When I say "text of dropdown" I mean the visible column whatever that
may be)

What I would like to do is something similar to that, 
but filter on a field on a subform instead of on the
text of a dropdown box.

What I have is a form with customer records;
And a subform with sales records (only one sale per customer). The sales
records have a customer_ID which is how the two are linked.

How do I write the filter so I get all the customers with a sales record
date = #mm/dd/yy#

Me.filter = ((Formname_SubformName__NameOfDateBox.[DateField] =
#MM/DD/yy#))

Me.filter = ((customerID in SELECT sales.Customer FROM sales WHERE
salesDate = #mm/dd/yy#))

These syntax do not work.

Am I on the right track or is this not possible without redoing the
source query to the form?

Thanks

-Z

Stephen R. Zayko, P.E.

SECOR International Inc.
2321 Club Meridian Drive, Ste E
Okemos, MI 48864 

(p) (517) 349-9499 ex24
(f) (517) 349-6863
(m) (517) 204-5136

szayko at secor.com
www.secor.com


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