JoinOperand.Sum(CriteriaOperator) Method

Creates a new JoinOperand which returns the sum of values calculated by the given aggregate expression. This expression is evaluated against elements that match the specified JoinOperand.Condition.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Data.v23.2.dll

NuGet Package: DevExpress.Data

Declaration

C#

public JoinOperand Sum(
    CriteriaOperator aggregatedExpression
)

VB.NET

Public Function Sum(
    aggregatedExpression As CriteriaOperator
) As JoinOperand

Parameters

Name	Type	Description
aggregatedExpression	CriteriaOperator	A CriteriaOperator object which specifies the aggregate expression.

Returns

Type	Description
JoinOperand	An JoinOperand object which joins persistent objects on a specified condition, and calculates aggregate functions against matching objects.