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MS Access: DCount Function
Learn how to use the Access DCount function with syntax and examples.
The Microsoft Access DCount function returns the number of records from an Access table (or domain).
The syntax for the Microsoft Access DCount function is:
DCount ( expression, domain, [criteria] )
Parameters or Arguments
expression is the field that you use to count the number of records.
domain is the set of records. This can be a table or a query name.
criteria is optional. It is the WHERE clause to apply to the domain.
The DCount function can be used in the following versions of Microsoft Access:
- Access 2013, Access 2010, Access 2007, Access 2003, Access XP, Access 2000
Let's look at a simple example:
DCount("UnitPrice", "Order Details", "OrderID = 10248")
In this example, you would return the number of records in the Order Details table where the OrderID is 10248. This is the same as the following SQL statement:
SELECT Count([Order Details].UnitPrice) AS CountOfUnitPrice FROM [Order Details] WHERE ((([Order Details].OrderID)=10248));
Example (in VBA Code)
The DCount function can be used in VBA code in Microsoft Access. For example:
Dim LTotal As Long LTotal = DCount("UnitPrice", "Order Details", "OrderID = 10248")
In this example, the variable called LTotal would now contain the number of records in the Order Details table where the OrderID is 10248.
Example (in SQL/Queries)
You can also use the DCount function in a query in Microsoft Access.