ICustomAggregateFormattable Interface

Defines server-side processing for custom aggregate functions.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Data.v19.2.dll

Declaration

C#

public interface ICustomAggregateFormattable :
    ICustomAggregate

VB.NET

Public Interface ICustomAggregateFormattable
    Inherits ICustomAggregate

Related API Members

The following members return ICustomAggregateFormattable objects:

• ConnectionProviderSql.GetCustomAggregate(String)

Remarks

Implement this interface in addition to the ICustomAggregate interface to format a database-specific SQL command for your custom aggregate function. This interface declares the functionality required to evaluate the custom aggregate function within criteria on the database server.