DbServer.Sum Method

 VIRTUAL METHOD Sum(
	acbExpression,
	cbForBlock,
	cbWhileBlock,
	uScope
) AS USUAL CLIPPER

[ClipperCallingConventionAttribute(new string[] { ... })]
public virtual Usual Sum(
	Usual acbExpression = default,
	Usual cbForBlock = default,
	Usual cbWhileBlock = default,
	Usual uScope = default
)

Parameters

acbExpression (Optional)

Type: Usual
The single expression that Sum() operates on or the array of expressions that Sum() operates on.

cbForBlock (Optional)

Type: Usual
The condition evaluated for each record in the scope; if TRUE, the record is included in the processing. It provides the same functionality as the FOR clause of record processing commands.

cbWhileBlock (Optional)

Type: Usual
The condition evaluated for each record from the first record until the condition returns FALSE. It provides the same functionality as the WHILE clause of record processing commands.

uScope (Optional)

Type: Usual
The range of records to process, providing the same functionality as the ALL, REST and NEXT clauses of record processing commands.

Value	Description
DBSCOPEALL	The scope is all the records in the table. This is the default, although if a WHILE condition is specified, the scope becomes DBSCOPEREST.
DBSCOPEREST	The scope is the remaining records in the table from the current position.
<nRecords>	The scope is the next nRecords records.

Return Value

Reference