AggregateOperand.Custom(String, IEnumerable<CriteriaOperator>) Method

Creates a new custom AggregateOperand that returns values calculated by the given aggregate expression. This expression is evaluated against elements of the AggregateOperand.CollectionProperty that match the specified AggregateOperand.Condition.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Data.v19.2.dll

Declaration

C#

public AggregateOperand Custom(
    string customAggregateName,
    IEnumerable<CriteriaOperator> aggregatedExpressions
)

VB.NET

Public Function Custom(
    customAggregateName As String,
    aggregatedExpressions As IEnumerable(Of CriteriaOperator)
) As AggregateOperand

Parameters

Name	Type	Description
customAggregateName	String	A custom aggregate function‘s name. This value cannot be null (Nothing in Visual Basic) or match a standard aggregate name: Sum, Min, Max, Avg, Count, Exists, or Single.
aggregatedExpressions	IEnumerable<CriteriaOperator>	A collection of aggregated expressions to be assigned to the AggregateOperand.CustomAggregateOperands property.

Returns

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