XPQueryExtensions.AverageAsync(IQueryable<Int64>, CancellationToken) Method

Asynchronously calculates an average of objects’ specific Int64 fields for a query.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v18.2.dll

Declaration

C#

public static Task<double> AverageAsync(
    this IQueryable<long> query,
    CancellationToken cancellationToken = default(CancellationToken)
)

VB.NET

<ExtensionAttribute>
Public Shared Function AverageAsync(
    query As IQueryable(Of Long),
    cancellationToken As CancellationToken = Nothing
) As Task(Of Double)

Parameters

Name	Type	Description
query	IQueryable<Int64>	An XPQuery<T> that specifies a persistent object selection.

Optional Parameters

Name	Type	Default	Description
cancellationToken	CancellationToken	*null*	A CancellationToken object that delivers a cancellation notice to the running operation.

Returns

Type	Description
Task<Double>	A Task that returns an average of objects’ specific Int64 fields for a query.