AggregateOperand.Exists(CriteriaOperator) Method

Creates a new AggregateOperand which determines whether or not the count of AggregateOperand.CollectionProperty elements that match the AggregateOperand.Condition is greater than zero.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Data.v19.2.dll

Declaration

C#

public AggregateOperand Exists(
    CriteriaOperator aggregatedExpression
)

VB.NET

Public Function Exists(
    aggregatedExpression As CriteriaOperator
) As AggregateOperand

Parameters

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

Returns

Type	Description
AggregateOperand	An AggregateOperand object which calculates an aggregate expression.