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Union Query: Combo Box All Choice
Access Combo Box

Updated On 5/22/2017 8:51:38 PM

Combo Box Tutorial

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Combo Box: All/Any
Dependent DropDown
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Y/N Drop Down List

Combo Box All or Any Choice

List a Default Value For Combo Box and Lookup Lists

15 years ago we were putting Access database on the web using Active Server Page (ASP) programming language for the user interface. See examples of Access on the Internet.

Create a drop down lookup list from a table field with ' All' added to the list of values.  This example is often used for selecting specific (or All) records for a report. The Union query is used extensively in advanced query design.  This union query example is perhaps the simplest example.  Here we assume you have read our Microsoft Access database design recommendations.
Access Union Query Example

Note: Putting a space before the 'A' in All makes this lookup list choice sort to the top.

This method is also great for adding a '<<< New Item >>>' choice to the lookup list.

New! Download Access example of Combo Box Add New Choice.

Warning:  General warning about union queries -  Never try to use aggregate functions (avg, count, sum, etc.) in a union query.  It will drop out duplicate groups of records (in Access at least ).

More info on this topic:

Union Query Downloadable Example

Our Union Query Example demonstrates a method used to add additional choices to drop down lists such as New or All. Using the New choice in a combo box ...


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