Access: IsNull Function
In Access, the IsNull function returns TRUE if the expression is a null value. Otherwise, it returns FALSE.
The syntax for the IsNull function is:
IsNull ( expression )
expression is a variant that contains a string or numeric value.
For example:
IsNull (null) would return TRUE IsNull ("Tech on the Net") would return FALSE
VBA Code
The IsNull function can be used in VBA code. For example:
Dim LValue As Boolean
LValue = IsNull("Tech on the Net")
In this example, the variable called LValue would contain FALSE as a value.
SQL/Queries
You can also use the IsNull function in a query.
