Get the value of a particular field from a specified set of records.
Syntax Dlookup ( expression, domain, [criteria] ) =Dlookup("[Field]", "Table", "[Field] = 'MyValue'") Key expression The field to return. domain The set of records, a table or a query name. criteria Equivalent to an (optional) WHERE clause. Any field that is included in criteria must also be a field in domain.
For numerical criteria use "abc=Num"
for strings use "abc='string'"
for dates use "abc=#date#"
The DLookup() function can be used in VBA or in an SQL query.
Dlookup("price", "T_Orders", "SupplierID = 64 ")
This is equivalent to:
“If you are planning for a year, sow rice; if you are planning for a decade, plant trees; if you are planning for a lifetime, educate people” ~ Chinese Proverb
Last (SQL) - Return the last value from a query.
Nz - Detect a NULL value.