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ConnectionProviderSql.UnregisterCustomAggregate(String) Method

Unregisters a custom aggregate function with the specified name from use in any ConnectionProviderSql-based connection provider in your application.

Namespace: DevExpress.Xpo.DB

Assembly: DevExpress.Data.v22.2.dll

NuGet Package: DevExpress.Data


public bool UnregisterCustomAggregate(
    string functionName


Name Type Description
functionName 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.


Type Description

true, if a custom aggregate function whose name matches the functionName was unregistered successfully; otherwise, false.


To remove a custom aggregate function instance, call the UnregisterCustomAggregate(ICustomAggregateFormattable) overloaded method and pass the instance as its parameter.

See Also