AggregateOperand.TopLevel(String, IEnumerable<CriteriaOperator>) Method
Creates a new top-level AggregateOperand that returns values calculated by the given custom aggregate expression.
Namespace: DevExpress.Data.Filtering
Assembly: DevExpress.Data.v19.2.dll
Declaration
public static AggregateOperand TopLevel(
string customAggregateName,
IEnumerable<CriteriaOperator> aggregatedExpressions = null
)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. |
Optional Parameters
| Name | Type | Default | Description |
|---|---|---|---|
| aggregatedExpressions | IEnumerable<CriteriaOperator> | *null* | A collection of aggregated expressions to be assigned to the AggregateOperand.CustomAggregateOperands property. |
Returns
| Type | Description |
|---|---|
| AggregateOperand | An operand collection passed to a custom aggregate function. |
See Also