AggregateOperand.Exists() Method
In This Article
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.v24.2.dll
NuGet Package: DevExpress.Data
#Declaration
public AggregateOperand Exists()
#Returns
Type | Description |
---|---|
Aggregate |
An Aggregate |
#Example
Check whether a collection has items.
Expression:
Test
Input:
Order | Order |
---|---|
Order0 | |
Order | |
Order |
The result: True
See Also