DLookup Combo Box - DLookup in Microsoft Access


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DLookup Combo Box

Ramona Woitas

2 years ago

I have a Subject Table & Form, Category Table & Form, and a Topic Table & (Single) Form. TopicF (Based on TopicT) has Subject / Category Cascading and a Topic Title.

Then on my TopicListF (Continuous - Based on TopicT) to display data only. I don't want anyone to be able to change data on this form. I will be adding filter, sort, search later. I use the TopicID to Double Click to Open the Single TopicF.

SubjectCombo is populating data fine. How do I Lookup the Category value on TopicF?

	Kevin Yip 2 years ago
Since you said Subject and Category are cascading combo boxes, you can just requery the Category combo box to update its items. In VBA, when TopicF opens (form's open event), run: CategoryCombo.Requery

	Ramona Woitas OP 2 years ago
Awesome. Thank you Kevin! :)

	Ramona Woitas OP 2 years ago
It worked! Yaay! Sorry but I have 1 More Question. In TopicListF b/o TopicT - Is it possible to use text boxes on TopicListF for the Subject and Category Fields - and then use DLookup to lookup the data? Instead of using combo boxes on TopicListF for the fields?

Kevin Yip

2 years ago

I don't think you need DLookup to achieve either of the goals you mentioned in your first post: filter TopicListF, and double-click TopicID to open TopicF. Both can be achieved with filters. You filter TopicListF based the subject and category criteria (changing the form's Filter property in VBA), and you open TopicF with the DoCmd.OpenForm command that has a filter; e.g. DoCmd.OpenForm "TopicF", , , "TopicID=" & TopicID

	Ramona Woitas OP 2 years ago
Woooo Hooo. Thank you Kevin!

	Ramona Woitas OP 2 years ago
Hi Kevin! Sorry to bother you. I thought I knew what you meant about the filter, but I guess I didn't, because I can't get it to work. Can you elaborate on what you said below. Not sure how to change the Filter property in VBA. You filter TopicListF based the subject and category criteria (changing the form's Filter property in VBA)

	Kevin Yip 2 years ago
Hi Ramona, a form's Filter property is the same one you see on the property sheet when you design the form. It can also be set in VBA. E.g. Me.Filter = "ID = " & ID

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